... green used for storing and toting the fresh water. is eco-friendly TPU Water Bag,Water Bladder,Water BladderColor:armygreen,blueMaterial:TPU film(Thickness:0 ... for outdoor sportmen, which used for storing and toting the fresh water. 4.Anti-weathering and Anti-corrosion, it is green products ... customers' special requires, including styles ,cap, caliber ,LOGO,etc. TPU water bag