This backpack is color optional. This 3L Large Water Hydration Bag is 18*5*43cm, made of 600D dense oxford cloth waterproof, lining 200D Nylon. It fits for outdoor use too.
This backpack is color optional. This 2.5L Large Water Hydration Bag is 16*5*47cm, made of 600D dense oxford cloth waterproof. It fits for outdoor use too.