The material we use is the double-wall imported TPU, which has a strong tolerance for hydrolysis and for high hydraulic pressure-up to 60KG. It is also proved to be a material with antibiosis function and high intensity, eligible for the Chinese GB Standard, the American FDA Standard and the European EN71 Standard. We use double-wall PTU theramal synthesis techniques, and the whole process is done without any sort of glue, so no harmful chemical is involved. The silica gel watertight tube system is user-friendly. When it's on you can open it with your mouth and sip water, when off no amount of water can ever leak out. This design frees your hands and makes it possible for you to concentration on more important things. Therefore, it's perfect for athletes, outdoor sports lovers and military personnels. On the top edge of this bag, there are two small holes in each corner, which can be attached to a special waterbag backpack, making it more convenient for you. Or you can just carry the bag by its handle above the irrigation valve, also convenient. The lid on the irrigation valve is impossible to lose and the silica gel clout inside prevents any leaking problems. We only offer the best for you!
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1 day ago
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