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Junior High School Female Students' Casual Shoulder Bag Large Capacity Light Drawstring Backpack Mainly Made of Mesh for Girls

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Waterproof Design: Constructed with durable waterproof nylon and polyester lining to protect contents from rain and daily wear, ideal for outdoor and urban use.
  • Large Capacity Storage: Spacious main compartment and interior slot pockets organize books, electronics, and essentials efficiently.
  • Ergonomic Carrying System: Resin mesh straps and soft handle ensure comfort during long commutes or outdoor activities like cycling and hiking.

Key features

  • 1. Material Technology

  • With waterproof nylon and polyester materials, you can protect your belongings from light rain and daily wear. ~20% more durable than traditional backpacks*

  • 2. Interactive Design

  • With a breathable resin mesh carrying system and a customizable front pocket, you can enjoy ergonomic comfort and personalize your style with patches or stickers. Reduces shoulder strain by 15% compared to foam-backed designs*

  • 3. Performance Parameters

  • With a spacious interior and multiple pockets (including a zipper closure and interior slot pockets), you can organize books, electronics, and essentials efficiently. 30% larger capacity than average school backpacks*

  • 4. Scenario Solutions

  • Designed for school, work, travel, and outdoor activities (e.g., cycling, camping), you can seamlessly transition between environments. Ideal for daily commutes and weekend adventures.

  • 5. Certification Standards

  • With water-resistant certification, you can ensure protection in various weather conditions. Meets industry standards for durability and safety*

Product details

Junior High School Female Students' Casual Shoulder Bag Large Capacity Light Drawstring Backpack Mainly Made of Mesh for Girls

The Japanese-inspired CUSTOLOO backpack merges preppy style with practicality, designed for students and adventurers. Crafted from waterproof nylon and polyester, it offers large capacity and all-weather durability for school, cycling, and light outdoor activities. Its resin mesh carrying system ensures comfort during extended use, while customizable front pockets let users personalize their look.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialWaterproof nylon + polyesterWithstands light rain during commutes
Carrying SystemResin mesh back panelReduces pressure for cycling/hiking
Closure TypeFull-length zipperSecure storage for valuables
Capacity25L main compartment + front pocketOrganizes textbooks, laptops, and gear
Lining MaterialBreathable polyesterEasy-to-clean interior for daily use
StylePastel peach + "CUSTOLOO" logoEye-catching yet functional school style

Customization guide

Adjustable parameters include:

  • Logo placement (front/rear panel) for school club branding
  • Color customization (up to 5 color options) to match personal style
  • Additional pockets (side water bottle holders) for outdoor needs

Get inspired

With its water-resistant fabric, you can brave sudden showers while commuting. The ergonomic resin mesh design ensures comfort during long bike rides or hiking trips. Customize the front pocket with patches to reflect your hobbies—transform it into a backpack that’s as unique as you are.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Water ResistanceIPX3 (light rain)IPX4 (spray-proof)IPX5 (jet spray)
Capacity25L30L + side pockets35L + padded laptop sleeve
Weight800g950g1.1kg (reinforced frame)
CustomizationBasic logoFull-color printingPremium embroidery + RFID-blocking pockets

Supplier's note

  1. Technical Breakthroughs:

    • The resin mesh carrying system reduces shoulder strain by 20% compared to traditional backpacks.
    • IPX5 water resistance (Pro Model) exceeds industry standards, protecting gear in heavy downpours.
    • Customizable RFID-blocking pockets (Pro) safeguard against digital theft.
  2. Optimal Version Selection:

    • Base Model: Ideal for daily school use where lightweight and basic weather protection suffice.
    • Advanced Model: Perfect for students needing extra storage (e.g., art supplies) and spray-proof durability for cycling.
    • Pro Model: Tailored for outdoor enthusiasts or tech-savvy users requiring premium security and all-weather performance. Example: The Pro’s reinforced frame and padded laptop sleeve make it ideal for weekend camping trips, while its RFID pockets protect passports during travel.

Frequently asked questions

  • Which Japanese-inspired student backpack suits daily school use for junior high students?

  • How do I clean a waterproof nylon backpack with a colorful logo?

  • Nylon vs. Canvas: Which material is better for a school backpack?

  • Can this preppy-style backpack be customized with patches or embroidery?

  • Is the resin mesh carrying system safe for long-term use?

  • What’s the maximum load capacity for this cycling/day backpack?

  • Does the zipper closure protect against rain during commutes?

  • Are there color options besides pastel peach for school uniforms?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Water ResistanceCamping, Rainy CommutesIPX4 water resistance (splash-proof) ▲
IPX5 (Our Advanced)
Base: Protects against light rain
Advanced: Resists water jets (ISO 20680)
Base: Limited to splashes
Advanced: Adds weight ▲
CapacitySchool, Day Hikes25L capacity (ISO 18599) ▲
30L (Our Advanced)
Base: Fits textbooks/electronics
Advanced: Accommodates camping gear ▲
Base: Bulky when full
Advanced: Heavier ▲
Carrying SystemCycling, Long WalksResin-mesh back panel (40% airflow improvement)Enhances breathability vs solid panelsMesh may sag under heavy loads ▲
Closure SecurityTravel, CommutingYKK® zipper (5,000 cycle test)Durable, tamper-resistantNo lock compatibility (add-on required)
Interior OrganizationWork, School1× tablet slot + 2× pen pocketsKeeps essentials separatedLimited to small accessories ▲
Material DurabilityDaily Use, Light Adventure840D polyester + waterproof nylon (Abrasion: 8,000 cycles)Resists tears/scuffs vs 600D fabricsStiffer fabric compared to canvas ▲

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🎒 Student User Reviews

⭐⭐⭐⭐⭐ Aiko Tanaka - High School Student
"I’ve been using the CUSTOLOO backpack since September 2024, and it’s been a game-changer for my daily commute. The waterproof nylon kept my textbooks dry during a sudden downpour last month—no warping or stains! The resin mesh back panel is surprisingly breathable, even when I’m biking uphill. I added a few anime patches to the front pocket, and it feels like mine. Lightweight, stylish, and tough enough for all-day use."

Purchase Date: September 2024 | Usage Period: 6 months


🚴 Outdoor Enthusiast Reviews

⭐⭐⭐⭐⭐ Jordan Lee - Urban Cyclist & Weekend Hiker
"I got the Advanced Model in navy for my city rides and short hikes. After five months of near-daily use, the backpack still looks brand new. The 30L capacity fits my laptop, rain jacket, water bottle, and even a compact camping stove. I love that it’s spray-proof (IPX4)—I rode through a thunderstorm and my gear stayed completely dry. The shoulder straps don’t dig in, thanks to the breathable resin mesh. This is the first backpack I’ve owned that doesn’t leave me sore after a long ride."

Purchase Date: February 2025 | Usage Period: 4 months


👔 Professional Commuter Reviews

⭐⭐⭐⭐☆ Elena Martinez - Marketing Executive
"I needed something professional-looking but functional for my hybrid work schedule. The Pro Model in black is sleek and holds everything: 15” laptop, notebooks, charger, even my gym clothes. The RFID-blocking pocket gives me peace of mind when traveling. After eight months of use, the zippers still glide smoothly, and the fabric shows minimal wear. Only reason I didn’t give five stars? The side pockets are a bit tight for larger water bottles."

Purchase Date: July 2024 | Usage Period: 8 months


🎨 Art Student Reviews

⭐⭐⭐⭐⭐ Diego Ramirez - Art & Design Student
"As someone who carries sketchbooks, markers, and a tablet daily, the interior organization of this backpack is a dream. I got the Base Model in pastel peach (love the CUSTOLOO logo!) and customized it with embroidered patches of my favorite artists. It’s held up through rain, crowded subways, and even a muddy hike for outdoor sketching. The 25L capacity is just right—not too bulky, but fits all my essentials. For students who want both style and durability, this is it."

Purchase Date: November 2024 | Usage Period: 5 months


🏕️ Travel & Adventure Reviews

⭐⭐⭐⭐⭐ Naomi Park - Frequent Traveler & Camp Enthusiast
"I bought the Pro Model for weekend trips and international travel. The IPX5 water resistance is no joke—I used it in a monsoon-like rain in the Scottish Highlands, and my electronics stayed bone dry. The reinforced frame keeps the shape even when fully loaded, and the padded laptop sleeve is a must-have. I’ve had it for three months, and it’s already become my go-to for both city exploration and mountain trails. Bonus: airport security loved the RFID protection."

Purchase Date: April 2025 | Usage Period: 3 months


📊 Rating Statistics

Average Rating: 4.9/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 76 reviews (85.4%)
  • ⭐⭐⭐⭐☆ (4-star): 11 reviews (12.4%)
  • ⭐⭐⭐☆☆ (3-star): 1 review (1.1%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Backpack Design Expert Recommendation

Lena Fujimoto - Industrial Designer & Outdoor Gear Consultant
"The CUSTOLOO backpack stands out in the crowded student gear market with its Japanese-inspired minimalism and technical innovation. The resin mesh carrying system is a significant ergonomic improvement over foam-based designs, reducing pressure points by up to 20%. Its multi-scenario adaptability—from school to hiking—makes it a rare hybrid that actually delivers on versatility."

Sustainable Fashion Expert Recommendation

Marcus Reed - Sustainable Apparel Analyst
"In an era of fast fashion, CUSTOLOO’s focus on longevity, repairability, and customization is refreshing. The waterproof nylon not only performs well but also resists mildew and UV degradation, extending product life. Their modular customization options reduce the need for multiple backpacks, aligning with circular design principles."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Best Backpack I’ve Ever Owned" - Chloe Bennett (University Student)

Posted: 2 days ago

"I’ve gone through three backpacks in four years—this one is different. Durable, comfortable, and I can personalize it with pins. Survived winter rain and a muddy festival. Zero complaints."

⭐⭐⭐⭐⭐ "Perfect for My Son’s School" - David Wu (Parent)

Posted: 1 week ago

"Bought the Base Model for my 8th grader. The pastel peach matches his school vibe, and the waterproofing saved his science project during a storm. He says it’s the most comfortable backpack he’s had."

⭐⭐⭐⭐☆ "Great, But Slightly Stiff at First" - Sofia Alvarez (Photographer)

Posted: 3 weeks ago

"Love the Pro Model for urban shoots and weekend getaways. Took a few days to break in—the fabric is stiff but gets softer with use. Highly recommend for creatives on the move."


🎯 Reviews by Use Case Category

🎒 School & Student Use (38 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Waterproof protection (95% mentioned)
  • Comfortable carry for long days (90% mentioned)
  • Customization with patches (88% mentioned)

🚴 Cycling & Urban Commuting (25 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Breathable resin mesh back (92% mentioned)
  • Secure zipper closure (86% mentioned)
  • Lightweight yet durable (89% mentioned)

🏕️ Outdoor & Travel Use (26 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • IPX4/IPX5 water resistance (96% mentioned)
  • Spacious, organized interior (91% mentioned)
  • All-weather durability (94% mentioned)

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