Plastic #

No. 1: Polyethylene terephthalate (PET, PETE), the most widely recycled plastic, is used for soft-drink bottles and is also commonly found in textiles, which explains why a bottle can be turned into fleece.

No. 2: High-density polyethylene (HDPE) is used for detergent bottles and grocery bags.

No. 3: Polyvinyl chloride (PVC or vinyl) is what salad-bar containers are made from.

No. 4: Low-density polyethylene (LDPE) is used for dry-cleaning and fresh-produce bags.

No. 5: Polypropylene (PP) is what makes bottle caps, yogurt cups, and drinking straws.

No. 6: Polystyrene (PS) is also known as Styrofoam.

No. 7: These "other" plastics, such as polycarbonate baby bottles.