25L waterproof bag, waterproof backpack for hiking

1, waterproof bag easily to fold and open, convenient to carry
2, carry clothes, books, or others to camp site
3, durable waterproof and lightweight
4, high quality, 100% waterproof

100% Waterproof roll-top backpack suitable for quick submersion due to it's unique 'High Frequency' fully welded seamless construction.
Protect contents from dust, sand, dirt and water!

Sternum and waist straps-Keep the backpack securely in place when you are moving on the trail.

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