Wholesale 20L Multi-Functional Dry Bag for Bicycle Climbing Kayak Bike Riding Waterproof Messenger Backpack TPU Basket Boxes

Technical specifications

Customization guide

Adjustable parameters include:

• Capacity: Choose from 20L to 80L to match activity needs (e.g., 20L for cycling, 50L+ for kayaking).
• Logo/text placement: Customize branding on the front panel for corporate or personal use.
• Strap length: Modify to fit different torso sizes for optimal comfort.

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With its multi-functional design and waterproof TPU coating, this backpack transforms from a cycling companion to a kayaking essential. The transparent front pocket keeps maps visible, while the roll-top seal ensures gear stays dry even in rough conditions.

Choose your model

Supplier's note

1. Technical Breakthroughs:

   • IPX6 Certification: Exceeds industry standards for water resistance, enabling safe use in heavy rain or splashes.
   • TPU Coating: Adds 30% more durability than standard PVC, reducing wear from abrasion during climbing.
   • Roll-Top Closure: Seals tighter than zippered designs, preventing water ingress even when submerged briefly.

2. Version Selection Guide:

   • Base Model (20L): Perfect for casual cyclists or day hikers prioritizing lightweight portability.
   • Advanced Model (30L): Ideal for weekend kayakers or climbers needing extra space without sacrificing mobility.
   • Pro Model (50L): Tailored for professionals or extreme adventurers requiring maximum capacity and IPX7 submersion protection.

With the Pro’s IPX7 rating, you can safely store electronics during kayaking trips. Pair its reinforced TPU material with the roll-top seal to create a virtually indestructible barrier against water damage. For urban commuters, the Base Model’s 20L capacity offers sleek waterproofing comparable to traditional messenger bags but at 20% lighter weight.