Hydration Bladder Material: TPU Capacity2L Thickness:40mm FDA-approved TPU Hydration BladderMaterial: TPUCapacity2LThickness:40mmFDA-approvedOrder 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.