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Stainless Steel Tumblers
  • GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
  • GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
  • GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
  • GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
  • GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
  • GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw
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GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw

  • 50 - 99 Pieces
    $0.95
  • 100 - 499 Pieces
    $0.85
  • 500 - 999 Pieces
    $0.75
  • >= 1000 Pieces
    $0.65

Customization:

Customized logo（Min.Order: 50 pieces）
Customized packaging（Min.Order: 50 pieces）
Graphic customization（Min.Order: 50 pieces）
View product details

GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Temperature Control: Double-wall vacuum insulated stainless steel construction maintains optimal temperatures for hot/cold beverages (e.g., coffee, smoothies) for 12+ hours.
  • Dynamic Aesthetic Design: Irregular diamond-shaped facets and color-changing gradient finishes adapt to lighting conditions, offering a modern, eye-catching appearance.
  • Convenience Features: Includes a leak-proof lid and integrated stainless steel straw for spill-free use in active settings.

Key features

  • 1. Material Technology

    • With a corrosion-resistant stainless steel body and double wall vacuum insulation, you can ensure durability and maintain beverage temperature for up to 24 hours*. The chemical-treated surface enables vibrant, fade-resistant color gradients, making each cup visually striking.

  • 2. Interactive Design

    • With customizable logo and country-style designs, you can personalize your tumbler for branding, gifting, or individual expression. The geometric faceted shape adds modern elegance while keeping the design lightweight and portable.

  • 3. Performance Parameters

    • With double wall vacuum insulation, you can keep beverages hot for 12+ hours or cold for 24+ hours*, outperforming standard tumblers by up to 50% in temperature retention*. The 16oz capacity balances portability and serving size for on-the-go use.

  • 4. Scenario Solutions

    • Designed for outdoor adventures, school, and travel, you can rely on its leak-proof lid and stainless steel straw for spill-free use during commutes, workouts, or picnics. The sturdy construction withstands daily wear and tear, making it ideal for both casual and commercial settings.

  • 5. Certification Standards

    • With eco-friendly materials and food-grade certification, you can use the tumbler confidently, knowing it meets safety and sustainability standards. The double wall design also eliminates metallic aftertaste, ensuring pure flavor in every sip.

Product details

GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers With Straw

The GZYSL RTS Custom 16OZ Color Changing Irregular Diamond Double Wall Insulated Stainless Steel Tumblers combine sleek geometric design with advanced functionality. Crafted from premium 18/8 stainless steel, these tumblers offer durable, eco-friendly insulation for hot and cold beverages. Their unique color-changing gradient and faceted structure make them stand out, while the leak-proof lid and included straw ensure convenience for on-the-go use.

Technical specifications

FeatureSpecificationBenefit
Material18/8 Stainless SteelCorrosion-resistant, BPA-free durability
InsulationDouble Wall Vacuum InsulatedKeeps drinks hot for 12h/cold for 24h
Capacity16 oz (473 mL)Perfect for coffee, smoothies, or water
DesignIrregular Diamond Pattern + GradientModern aesthetic with color-shifting hues
AccessoriesLeak-proof lid, stainless steel strawSpill-free portability and easy sipping
Eco-FriendlyRecycled materials, dishwasher-safeSustainable and low-maintenance use
ShapeTumbler with secure lid fitErgonomic grip and stable base

Customization guide

Adjust gradient patterns (e.g., metallic vs. pastel) or engrave logos for corporate branding. The double-wall thickness can be optimized for extreme temperature retention in specialized environments (e.g., high-altitude hiking).

Get inspired

With its double wall insulation, you can enjoy hot coffee all morning or iced tea all day. The color-changing gradient adds a dynamic touch, shifting hues with temperature changes. Whether for school, work, or outdoor adventures, these tumblers blend style and practicality.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Insulation Duration12h hot/24h cold+15% (14h/28h)+30% (16h/32h)*
Material GradeStandard 18/8 steelPremium 18/10 steelMedical-grade 316L
CustomizationLogo engravingFull-gradient designCustom color mixing
Leak ResistanceIPX4 ratedIPX6 ratedIPX8 waterproof

Supplier's note

  1. Three Technical Breakthroughs:

    • Double Wall Vacuum Insulation: Outperforms standard tumblers by retaining temperatures 20% longer.
    • Color-Shifting Gradient: Uses thermochromic coating for dynamic visual appeal.
    • IPX8 Waterproof Lid: Ensures zero leakage even when submerged.

  2. Optimal Version Selection:

    • Base Model: Ideal for daily commuters or students prioritizing affordability.
    • Advanced Model: Best for outdoor enthusiasts needing enhanced insulation and durability.
    • Pro Model: Targets professionals requiring medical-grade materials and full customization (e.g., corporate events).

    The Pro version’s 316L stainless steel and IPX8 rating enable safe use in extreme conditions, such as mountain hikes or marine environments. Paired with its gradient customization, this creates a versatile tool for both utility and branding.

Frequently asked questions

  • Which stainless steel tumbler is best for daily use at the office or school?

  • How do I clean the stainless steel straw and lid?

  • Why choose stainless steel over plastic tumblers for outdoor activities?

  • Can I add a custom logo to these tumblers for corporate gifts?

  • Is the material FDA-approved for food safety?

  • Which tumbler size suits coffee lovers on-the-go?

  • Do the color gradients fade over time with regular use?

  • Are these tumblers suitable for both hot tea and cold smoothies?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Thermal InsulationOutdoor, Commuting, CoffeeIndustry: 6h (hot)/12h (cold)Base: 8h (▲1) / 24h (▲1)Advanced: 12h (▲2) / 36h (▲2) (ASTM F2916)
Leak-Proof DesignTravel, OutdoorIndustry: Basic sealBase: 3-tier seal (▲1)Advanced: 5-tier seal (▲1) (ASTM F381)
Material DurabilityDaily Use, Outdoor AdventuresIndustry: 18/8 stainless steelAdvanced: 316 stainless steel (▲1) (ASTM A240)50% more corrosion-resistant than industry (Advanced ▲1).
Eco-Friendly FeaturesCorporate, Eco-conscious UsersIndustry: Non-recycledBase: 50% recycled (▲1)Advanced: 100% recycled (▲1) (Cradle to Cradle)
CustomizationBranding, Personal GiftsIndustry: No customizationBase: Logo engraving (▲1)Advanced: Full-color printing (▲1)
Portability & WeightCommuting, TravelIndustry: 400gBase: 350g (▲1)Advanced: 380g (ISO 3801)

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