PET, which stands for polyethylene terephthalate. It is extruded or molded into plastic bottles and containers for packaging foods and beverages, personal care products, and many other consumer products. PET is a highly valued packaging material because it is strong yet lightweight, non-reactive, economical, and shatterproof. PET's safety for food, beverage, personal care, pharmaceutical and medical applications is recognized by health authorities around the world.