Hydration Bladder Material: TPU Thickness:40 mm Capacity: 3L Hydration BladderMaterial: TPUThickness:40 mmCapacity: 3L Order Quantity(pcs)Production Period( days)1,000-5,000105,000-20,0001520,000--21We do have some other similar items as following photos show, If you are interested in any of them, or need to know more details, please look through their webpages too. FDA-approved TPU Hydration ...