Positive Plastics Pledge 15 Other Nylon fabrics, baby bottles, compact discs, medical storage containers, car parts, watercooler bottles 7 Microwave trays, straws, yogurt and margarine tubs, potato chip bags, crates PP Polypropylene 5 Meat trays, fast food trays, cups, disposable cutlery, coat hangers, yogurt pots PS Polystyrene 6 Positive Plastics Pledge 15