... 2.Good folding endurance 3.High clarity Polyethylene Terephthalate (PET Resin)Description:1.Oil resistant, fat resistant, acid resistant, alkali ... and low temperature.3.Non-toxic, tasteless, health and safety.4.Transparent, UV-blocking, good glossiness. Water bottle Qualification specificationunitsindex ... fiber. 3.Beverage, food and other liquid containers. PET Resin / polyethylene terephthalate