Butyl Bladder Material: TPU FDA approved Capacity: 3L FDA-approved Butyl BladderMaterial: TPUThickness:40 mmCapacity: 3L Order Quantity(pcs)Production Period( days)1,000-5,000105,000-20,0001820,000--22We 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 Butyl Bladder