Hydration Backpack Water BagThe hydration bladder has many advantages, such as light weight, soft material and large capacity, and can store water from -20C to 50C to constantly supply you with water during riding. The 2L large capacity is very suitable for all kinds of outdoor sports for a long time and is ideal for hydrating backpacks. Safe MaterialsThe Heavy Duty Replacement Water Tanks are made of high-quality Eva materials, and the hoses and other parts are made of PVC and silicone, which are non-toxic and odorless, and can hold drinking water with confidence. The tube can be quickly disassembled for easy transportation and storage. It can withstand repeated bending for a long time, and can also maintain a good shape and appearance for a long time of use. 100% Leak ProofThe material of the 2L water bag is thick and wear-resistant, the inlet valve and the water outlet valve are designed with knobs, connected closely and firmly, with an opening valve / easy-to-operate closure and smooth drinking mouth, which can effectively prevent leakage and dust ingress, which is very suitable for violent shaking scenes such as sports running. Large caliber water valveThe water inlet of the hydration bladder has a large diameter, making it easy to add water and ice. It is also easier to clean, you only need to inject water and detergent, shake it directly or clean it with a small brush. Clean water bags can be reused to save costs. Lightweight and PortableThe hydration bladder has large capacity and small volume, and contains enough water for outdoor activities, which can be folded into a smaller volume, which is easy to carry and store. Medium size, suitable for all types of backpacks or pockets, without taking up too much space.