Understanding Qr Code Pet Tag: Material Grades, Performance, and Industrial Uses

Types of QR Code Pet Tags

A QR code pet tag is a modern identification solution for pets that links to digital profiles containing vital information such as the pet’s name, owner contact details, medical history, and emergency instructions. These tags are available in a variety of materials—including metal, plastic, wood, and silicone—each offering unique advantages in terms of durability, aesthetics, and functionality. Choosing the right type ensures your pet remains identifiable, safe, and stylish.

Acetal QR Code Pet Tag

Made from a high-performance thermoplastic known for its strength, lightness, and resistance to wear and chemicals.

Advantages

• Extremely lightweight and comfortable for small pets
• High resistance to abrasion and environmental damage
• Chemically stable—won’t degrade from exposure to pet saliva or cleaning agents
• Ideal for active or outdoor pets due to durability

Limitations

• Less premium appearance compared to metal or wood
• May discolor over time with prolonged UV exposure
• Limited engraving depth compared to metal

Best for: Small breeds, active dogs, pets with sensitive necks, all-weather use

Acrylic QR Code Pet Tag

Featuring a glossy, vibrant finish with customizable colors and designs at an affordable price point.

Advantages

• Bright, eye-catching appearance with full-color printing options
• Highly customizable with logos, patterns, or photos
• Cost-effective for replacements or multiple pets
• Lightweight and quiet when jingling against other tags

Limitations

• Less durable than metal or acetal; prone to chipping
• Surface can scratch, potentially obscuring the QR code
• Requires protective coating (e.g., resin) for long-term use

Best for: Fashion-conscious owners, indoor pets, temporary or seasonal use

Stainless Steel QR Code Pet Tag

Durable, corrosion-resistant metal tags with a polished or brushed finish, often laser-engraved for precision.

Advantages

• Exceptional longevity and resistance to rust and impact
• Professional, sleek appearance suitable for all breeds
• QR code is laser-engraved and sealed, ensuring permanent readability
• Ideal for pets frequently exposed to water, mud, or rough terrain

Limitations

• Heavier than plastic or silicone—may be uncomfortable for small pets
• Higher cost compared to acrylic or silicone
• Can produce noise when clinking with other tags

Best for: Outdoor dogs, working animals, long-term identification, coastal or wet environments

Wooden QR Code Pet Tag

Eco-friendly tags typically crafted from sustainable bamboo with a natural, organic aesthetic.

Advantages

• Made from renewable, biodegradable materials
• Unique, artisanal look with natural grain variations
• Water-resistant bamboo withstands moderate exposure
• Lightweight and quiet, with a smooth finish

Limitations

• Not fully waterproof—prolonged moisture can warp or degrade wood
• Engraved QR codes may require sealing to prevent wear
• Fewer customization options compared to acrylic or silicone

Best for: Eco-conscious owners, minimalist design lovers, indoor or urban pets

Silicone QR Code Pet Tag

Soft, flexible tags available in bright colors and fun shapes, ideal for comfort and visibility.

Advantages

• Extremely lightweight and gentle on fur and skin
• Flexible design makes it easy to attach and remove
• Highly visible due to vibrant color options
• Safe for pets that chew or play roughly with their tags

Limitations

• Less durable—prone to tearing or stretching over time
• QR code is often printed, not engraved, risking fading
• Not suitable for long-term outdoor exposure or harsh conditions

Best for: Puppies, kittens, pets with allergies, temporary identification, fashion statements

Material	Durability	Weight	Customization	Best For
Acetal	Very Good	Very Light	Good (color & design)	Active pets, small breeds, all-weather use
Acrylic	Fair	Light	Excellent (full color, graphics)	Fashion, indoor pets, budget-friendly options
Stainless Steel	Excellent	Medium-Heavy	Good (engraving, finish)	Outdoor, working dogs, long-term ID
Wooden (Bamboo)	Good	Light	Fair (natural engraving)	Eco-friendly, aesthetic, indoor use
Silicone	Fair	Very Light	Good (colors, shapes)	Puppies, sensitive pets, fun designs

Expert Tip: Regardless of material, always test your QR code with multiple smartphones and lighting conditions to ensure it scans quickly and reliably. For non-engraved tags (like acrylic or silicone), apply a clear epoxy coating to protect the QR surface from scratches and UV fading.

What to Consider When Selecting a QR Code Pet Tag of Various Types

Choosing the right QR code pet tag is a crucial step in ensuring your pet’s safety and increasing the chances of a safe return if they ever get lost. With a variety of materials, designs, and features available, it's important to evaluate several key factors to find the best fit for your pet’s lifestyle, size, and environment. The ideal tag should be durable, easy to scan, comfortable, and personalized to reflect your pet's identity.

Durability and Material

Stainless Steel Tags

Stainless steel is one of the most durable materials for pet tags. Resistant to rust, corrosion, and scratching, these tags can withstand rough play, outdoor exposure, and even chewing to some extent. They maintain their appearance over time and are ideal for active or outdoor pets. However, they may be heavier than other options, so consider your pet’s size and sensitivity to weight.

Acrylic and Resin-Coated Tags

Acrylic tags offer a lightweight and customizable appearance, often with vibrant colors and designs. While aesthetically pleasing, they can be prone to cracking under impact. To enhance durability and protect the QR code, many acrylic tags come with a protective resin coating that shields the code from scratches, moisture, and UV damage—making them more reliable for long-term use.

Silicone and Soft Polymer Tags

Silicone tags are flexible, lightweight, and silent—perfect for pets that are noise-sensitive or prone to collar irritation. They are also highly resistant to water and easy to clean. However, their softness makes them vulnerable to chewing, so they are not recommended for pets that tend to bite or chew their collars. These tags are best suited for small, indoor, or gentle breeds.

Wooden and Eco-Friendly Tags

For pet owners seeking a natural or eco-conscious option, wooden tags provide a unique, rustic aesthetic. Often made from sustainably sourced wood and sealed with waterproof finishes, they can be both stylish and functional. However, they may not be as durable in wet or extreme conditions and require more careful maintenance to prevent warping or cracking over time.

Customization Options

Personalization enhances both the emotional connection and practical function of a QR code pet tag. Most tags allow you to include your pet’s name, your contact information, and sometimes medical details or behavioral notes. The level of customization often depends on the material:

Engraving: Stainless steel and aluminum tags support laser engraving, which is permanent and resistant to fading. Ideal for long-term use.

Printed Designs: Acrylic and wooden tags often feature full-color printing, allowing for photos, patterns, or custom artwork.

Shape & Size Variety: Some brands offer unique shapes (bones, paw prints, hearts) or layered designs that reflect your pet’s personality.

QR Code Integration: Ensure the QR code is linked to an updatable online profile where you can change contact details without replacing the tag.

Scanning Ease and Code Protection

The primary purpose of a QR code tag is to be scanned quickly and accurately by anyone who finds your pet. A poorly designed or damaged code can render the tag useless.

Clear Engraving or Printing: The QR code must be high-contrast and sharply defined. Blurry, pixelated, or shallow engravings may fail to scan.

Surface Finish: Avoid tags with textured or reflective surfaces that can distort the code. Matte finishes are often more scanner-friendly than glossy ones.

Scratch Resistance: Metal tags can develop micro-scratches over time, potentially disrupting the code. Look for tags with protective coatings or recessed QR codes to minimize wear.

Resin Sealing: Especially for acrylic or wooden tags, a clear resin layer over the QR code adds durability and prevents moisture ingress, ensuring long-term readability.

Weight and Comfort

Comfort is essential, particularly for small breeds, puppies, or pets with sensitive necks. Heavy or bulky tags can cause discomfort, irritation, or even affect gait over time.

Material	Average Weight	Best For	Comfort Notes
Stainless Steel	15–30g	Medium to large, active pets	Durable but heavier; may jingle
Acrylic	8–15g	All sizes, especially fashion-focused owners	Lightweight; resin coating adds slight thickness
Silicone	5–10g	Small breeds, puppies, noise-sensitive pets	Soft, flexible, and silent
Wood	10–20g	Eco-conscious owners, indoor pets	Natural feel but less water-resistant

Always consider your pet’s activity level and temperament. Highly active dogs may benefit from secure, durable tags, while anxious or small pets may do better with soft, silent alternatives.

Important: No matter how advanced the tag, its effectiveness depends on keeping the linked information current. Regularly update your pet’s profile with current phone numbers, addresses, and emergency contacts. Additionally, pair the QR code tag with a traditional ID tag as a backup—some people may not know how to scan a QR code, but everyone can read a phone number.

How to Use, Ship, and Store QR Code Pet Tags

Personalized QR code pet tags are a modern, reliable solution for pet identification and safety. When a pet gets lost, these smart tags provide instant access to vital information—such as the owner’s contact details, medical history, feeding instructions, and emergency protocols—via a simple smartphone scan. To maximize their effectiveness and longevity, it's essential to understand how to properly use, ship, and store QR code pet tags. This guide covers best practices for pet owners, retailers, and businesses to ensure optimal functionality and durability.

How to Use QR Code Pet Tags

Using a QR code pet tag begins with securely attaching it to your pet’s collar. The tag should be visible and unobstructed, allowing anyone who finds the pet to quickly scan the code using a smartphone camera or QR reader app.

• Initial Setup: Scan the QR code upon receipt to register your pet’s profile on the provider’s platform. Most services allow you to upload photos, medical conditions, microchip numbers, and preferred vet information.
• Customization: Personalize the tag with your pet’s name and a backup phone number engraved on the surface—this adds redundancy in case the QR code becomes unreadable.
• Secure Attachment: Use a durable split ring or quick-release clasp to fasten the tag. Ensure it’s tight enough to prevent snagging but loose enough not to pinch the collar material.
• Testing the Link: Regularly scan the code (at least monthly) to confirm the link is active and the information is up to date, especially after moving or changing phone numbers.

Pro Tip: Share your pet’s QR profile link with trusted friends or family so they can assist in updating details if needed.

Shipping Best Practices for Sellers & Buyers

Whether you're a retailer, distributor, or individual buyer, proper shipping ensures that QR code pet tags arrive in perfect condition, fully functional and ready for use.

• Durable Packaging: Manufacturers should use padded envelopes, rigid mailers, or small boxes—especially for metal, acrylic, or wooden tags that are prone to scratching or chipping.
• Weather Resistance: For international or long-distance shipping, include moisture-resistant liners or vacuum-sealed bags to protect against humidity and rain.
• Custom Order Timing: During peak seasons (holidays, back-to-school, pet adoption months), place custom orders at least 2–3 weeks in advance to avoid delays due to high demand.
• Immediate Inspection: Upon delivery, test each tag’s QR code immediately to verify correct data linking and check for physical defects like misprints or damaged edges.

Key Insight: Bulk orders for shelters or pet businesses benefit from serialized QR codes with pre-loaded templates for faster setup.

Storage Guidelines for Longevity

Proper storage preserves the integrity of QR code pet tags, especially for retailers, rescues, or owners with backup tags. Environmental factors like moisture, abrasion, and UV exposure can degrade materials over time.

• Material-Specific Storage:
  • Metal & Stainless Steel: Store in dry, low-humidity areas. Use anti-tarnish strips if storing long-term.
  • Acrylic & Plastic: Keep in soft pouches or compartmentalized cases to prevent scratches that could interfere with scanning.
  • Silicone & Rubber: Avoid direct sunlight and high heat to prevent warping or fading of printed codes.
  • Wooden Tags: Store in climate-controlled environments to avoid cracking or moisture absorption.
• Organization: If managing multiple tags (e.g., for a pet store or rescue), label and separate them by pet name, QR ID, or customer to streamline distribution.
• Cleanliness: Wipe tags with a microfiber cloth before use. Avoid harsh chemicals that could damage the QR surface.

Maintenance Tip: For unused tags, periodically scan the QR code every 3–6 months to ensure the digital profile remains active and accessible.

Maximizing Tag Performance & Lifespan

Beyond basic use and storage, proactive care enhances the reliability of QR pet tags in real-world scenarios.

• Laminate Protection: Apply a clear protective laminate or UV-resistant coating to printed QR codes to resist fading and abrasion.
• Redundancy: Pair QR tags with traditional ID tags containing name and phone number—this ensures identification even if the QR code is damaged.
• Digital Updates: Update your pet’s online profile whenever there’s a change in address, vet, medications, or emergency contacts.
• Backup Tags: Keep a spare QR tag at home in case the primary one is lost or damaged during outdoor adventures.

Smart Strategy: Choose tags made from corrosion-resistant materials like surgical-grade stainless steel or anodized aluminum for pets in coastal or high-moisture environments.

Expert Recommendation: For maximum effectiveness, combine a high-quality QR pet tag with a microchip. While microchips require a scanner, QR tags offer instant access via any smartphone—making them more accessible to the general public. Always ensure the online profile is password-protected but easily unlockable by authorized individuals.

Tag Material	Best For	Shipping Needs	Storage Tips
Stainless Steel	All climates, saltwater exposure	Rigid box with padding	Store in dry area; use anti-rust paper
Acrylic	Colorful designs, indoor pets	Soft pouch + hard envelope	Keep in scratch-resistant case
Silicone	Active dogs, chew-resistant	Sealed plastic bag	Away from heat and direct sun
Wood	Eco-conscious buyers, rustic style	Moisture-proof wrapping	Climate-controlled storage only

Additional Tips for Optimal Use

• Scan Speed: Test the QR code with multiple devices and lighting conditions to ensure fast, reliable scanning.
• Privacy Settings: Use a service that allows you to control what information is publicly visible versus password-protected.
• Tag Visibility: Attach the tag where it won’t rotate or flip—ideally facing outward on the collar.
• Replacement Schedule: Replace tags every 2–3 years or sooner if the code becomes scratched, faded, or peeling.
• Eco-Friendly Options: Consider biodegradable or recyclable materials for environmentally responsible pet ownership.

Benefits of QR Code Pet Tags Made of Different Materials

Choosing the right material for a QR code pet tag is essential for ensuring your pet’s safety, comfort, and style. These smart tags link to digital profiles containing vital information such as your pet’s name, medical history, vaccination records, and your contact details—making reunification faster if your pet gets lost. With a wide range of materials available, each offers unique advantages in terms of durability, weight, aesthetics, and environmental impact. Whether your pet is an adventurous outdoor explorer or a fashion-forward companion, there's a perfect QR code tag to match their lifestyle.

Safety Note: Always ensure the QR code is scannable and linked to an up-to-date, secure online profile. Regularly test the code and update your contact information to maximize the chances of a safe return if your pet becomes lost.

Stainless Steel QR Code Pet Tag

Stainless steel is one of the most durable and reliable materials for pet tags, especially for pets that lead active lifestyles. Known for its exceptional resistance to corrosion, rust, and wear, stainless steel can withstand exposure to water, mud, snow, and extreme temperatures—making it ideal for dogs that love swimming, hiking, or playing in the rain. The metal maintains its luster over time and resists scratching, ensuring the QR code remains legible for years. Beyond functionality, stainless steel offers a sleek, modern appearance that appeals to owners seeking a minimalist yet premium look. It's heavier than some alternatives, but its robustness makes it a top choice for long-term use.

• Highly resistant to rust, corrosion, and scratches
• Perfect for water-loving or outdoor-active pets
• Long-lasting with a polished, professional finish
• Easy to clean and maintain hygiene

Acetal (Delrin) QR Code Pet Tag

Acetal, commonly known by the brand name Delrin, is a high-performance thermoplastic celebrated for its strength, low friction, and dimensional stability. Acetal tags are exceptionally durable and resistant to wear, impact, and moderate heat, making them ideal for energetic pets that are hard on their accessories. Despite their toughness, these tags are surprisingly lightweight, reducing strain on small or delicate collars. Acetal does not absorb moisture and maintains its shape and integrity over time, even under constant movement and exposure. This makes it a smart choice for pet owners who want a balance between resilience and comfort.

• Extremely durable and impact-resistant
• Lightweight and comfortable for daily wear
• Resists warping, moisture, and temperature changes
• Ideal for small, active, or toy breed pets

Acrylic QR Code Pet Tag

Acrylic tags offer an affordable yet stylish option for pet owners who value personalization and visual appeal. These tags can be precision-laser engraved or printed with vibrant colors, patterns, and custom designs—perfect for showcasing your pet’s personality. While not as rugged as metal or acetal, acrylic is still reasonably durable for everyday indoor and light outdoor use. Its smooth surface allows for crisp QR code etching, and the material can be shaped into unique forms, from hearts to bones. Acrylic is a popular choice for fashion-conscious owners and makes a great gift due to its aesthetic versatility and lower price point.

• Highly customizable with colors, patterns, and shapes
• Affordable alternative to metal or eco-friendly materials
• Lightweight and available in fun, trendy designs
• Great for temporary use, gifts, or seasonal tags

Wooden QR Code Pet Tag

Wooden QR code tags, typically crafted from sustainable bamboo or birch, offer a natural, eco-friendly alternative for environmentally conscious pet owners. Bamboo is naturally water-resistant, strong, and grows rapidly without depleting resources, making it a sustainable choice. These tags often feature laser-engraved QR codes that are both elegant and permanent. The organic grain pattern ensures each tag is unique, adding a personal touch. While not recommended for pets that swim frequently, wooden tags are perfect for everyday wear and complement a rustic or minimalist aesthetic. They’re also hypoallergenic and gentle on sensitive skin.

• Made from renewable, biodegradable materials
• Naturally beautiful with unique wood grain patterns
• Lightweight and gentle on pet’s neck
• Ideal for eco-conscious owners and sustainable living

Silicone QR Code Pet Tag

Silicone tags combine flexibility, comfort, and fun in one practical package. Known for their soft, rubber-like texture, silicone tags are bendable and virtually unbreakable, making them safe for pets that chew or tug on their collars. They are extremely lightweight and come in a rainbow of bright, bold colors—perfect for kids’ pets or trendy urban companions. Many silicone tags are waterproof and easy to clean, resisting odors and bacteria buildup. Their flexibility ensures a snug fit on the collar without causing irritation, and they’re especially popular for puppies, small breeds, and pets with sensitive skin.

• Flexible and chew-resistant for playful pets
• Available in vibrant colors and fun shapes
• Waterproof, odor-resistant, and easy to sanitize
• Comfortable for long-term wear and sensitive pets

Material	Durability	Weight	Best For	Environmental Impact
Stainless Steel	Excellent – resists rust, scratches, and weather	Heavy	Active, outdoor, or water-loving pets	Recyclable, long lifespan
Acetal (Delrin)	Very High – impact and wear-resistant	Lightweight	Small, energetic, or rough-playing pets	Low biodegradability but long-lasting
Acrylic	Moderate – can scratch or crack under stress	Lightweight	Fashionable pets, gifts, or seasonal use	Not biodegradable, but recyclable in some cases
Wood (Bamboo)	Good – water-resistant and strong	Light to Medium	Eco-conscious owners, minimalist style	Biodegradable, renewable, sustainable
Silicone	High – flexible and break-resistant	Very Light	Puppies, chewers, or sensitive-skinned pets	Not biodegradable but durable and reusable

Pro Tip: Pair your QR code tag with a physical tag that includes your phone number. While QR codes provide rich data, not everyone may know how to scan them. A visible phone number ensures anyone who finds your pet can contact you immediately.

Additional Considerations When Choosing a QR Code Pet Tag

• QR Code Quality: Ensure the code is laser-engraved or etched (not printed) to prevent fading or smudging.
• Profile Security: Use a reputable service that protects your personal information and allows you to control data visibility.
• Tag Size: Choose a size that’s visible but not too bulky for your pet’s collar or breed.
• Attachment Method: Look for tags with secure split rings or silicone loops to prevent loss.
• Replacement Options: Some brands offer free QR code re-linking if you move or change numbers.

Ultimately, the best QR code pet tag depends on your pet’s behavior, your lifestyle, and your values. Whether you prioritize durability, sustainability, or style, modern materials offer a smart, safe, and personalized way to protect your furry friend. Investing in a high-quality tag not only enhances your pet’s safety but also provides peace of mind knowing that help is just a scan away.

Frequently Asked Questions About QR Code Pet Tags

Q1: What information should be provided on the QR code pet tag?

A1: QR code pet tags are designed to link to a secure, online profile that contains detailed information about your pet and how to contact you as the owner. Instead of engraving sensitive details like your full name, address, or phone number directly on the tag, the QR code acts as a digital gateway—only accessible when scanned by a smartphone.

This method enhances privacy and security while ensuring that well-meaning individuals (such as neighbors, animal shelters, or veterinarians) can quickly retrieve your contact information and your pet’s medical needs, including:

• Owner’s name and emergency contact number
• Pet’s name, breed, age, and photo
• Medical conditions, allergies, or medications
• Veterinarian’s contact information
• Microchip ID number (if applicable)
• Special instructions (e.g., “Afraid of strangers” or “Needs insulin daily”)

The dynamic nature of the profile allows you to update any detail instantly—no need to replace the physical tag when your number or address changes.

Q2: What are the benefits of using QR codes on pet tags?

A2: QR code pet tags offer several significant advantages over traditional engraved tags, making them a modern, reliable solution for pet safety and owner convenience:

• Enhanced Pet Recovery: Unlike standard tags with limited space, QR codes provide instant access to a rich profile, increasing the chances of a lost pet being returned quickly and safely.
• Real-Time Updates: You can update your contact information, pet’s medical status, or even add a new photo anytime without purchasing a new tag.
• Privacy Protection: Sensitive data stays secure online—only those who scan the code and follow the link can view the details, reducing the risk of identity exposure.
• Durability and Simplicity: The physical tag only needs to display the QR code and perhaps the pet’s name, minimizing wear on text and reducing clutter.
• Global Accessibility: Most smartphones can scan QR codes with built-in cameras, making the system user-friendly for a wide range of people worldwide.

These features make QR code tags an ideal choice for tech-savvy pet owners who want a smarter, safer, and more sustainable way to protect their furry companions.

Q3: What materials are suitable for making QR code pet tags?

A3: The best materials for QR code pet tags balance durability, aesthetics, and resistance to environmental wear. Since pets are active and often exposed to dirt, moisture, and rough surfaces, choosing a high-quality material is crucial for long-term functionality. Common options include:

Material	Durability	Water Resistance	Additional Benefits
Stainless Steel	Excellent – highly resistant to scratches and corrosion	High – does not rust or degrade in wet conditions	Polished look, hypoallergenic, ideal for long-term outdoor use
Acrylic	Good – can scratch over time but maintains clarity	High – waterproof and UV-resistant	Vibrant colors, lightweight, great for custom designs
Bamboo/Wood	Moderate – natural material prone to cracking if not maintained	Moderate – absorbs moisture; requires sealing	Eco-friendly, stylish, biodegradable option
Silicone	Good – flexible and impact-resistant	High – fully waterproof and heat-resistant	Soft texture, ideal for active pets or cats; comes in fun colors

When selecting a material, consider your pet’s lifestyle—outdoor cats may benefit from stainless steel, while fashion-conscious owners might prefer bamboo or silicone for its customizable appearance.

Q4: How does one care for or maintain QR code pet tags?

A4: Proper maintenance ensures your QR code remains scannable and the tag stays in good condition. Regular cleaning and material-specific care are essential to prevent damage and prolong lifespan:

• General Cleaning: Wipe the tag weekly with a soft, damp cloth and mild soap, especially after swimming, hiking, or rainy walks. Avoid abrasive cleaners or scrubbing pads that could scratch the surface.
• Stainless Steel & Acrylic: These can be cleaned with a microfiber cloth and warm soapy water. Dry thoroughly to prevent water spots or residue buildup that might obscure the QR code.
• Wood/Bamboo: Avoid prolonged exposure to water. Periodically apply a food-safe wood oil (like mineral oil) to prevent drying, cracking, or warping. Do not submerge in water.
• Silicone: Resistant to most elements but should be stored in a cool, dry place. Avoid sharp objects that could puncture or tear the material.
• QR Code Surface: Ensure the code is never scratched, painted over, or covered in grime. Test the scan functionality monthly using your phone’s camera to confirm readability.

Inspect the tag regularly for signs of wear, especially around the attachment point to the collar, to prevent accidental loss.

Q5: Can QR code pet tags get wet?

A5: Most QR code pet tags are designed to withstand exposure to water, but their performance depends on the material and manufacturing quality:

• Stainless Steel: Fully waterproof and rust-resistant—ideal for pets that swim or live in humid climates.
• Acrylic: Waterproof and sealed against moisture; however, low-quality seals may allow water ingress over time, potentially damaging printed layers beneath.
• Silicone: Inherently waterproof and flexible, making it excellent for active pets who enjoy water play.
• Wood/Bamboo: Not fully waterproof. Prolonged immersion can cause swelling, warping, or delamination. While surface-sealed versions offer some protection, they should be dried promptly after getting wet.

Always check the manufacturer’s specifications for water resistance ratings (e.g., IP67). Even with waterproof tags, it’s wise to dry the tag after swimming or heavy rain to maintain clarity and longevity of the QR code.