Plastic #2: High Density Polyethylene (HDPE)
Common items: milk jugs, juice, shampoo, grocery and retail plastic bags, detergent bottles, cereal box liners 

Plastic #3: Polyvinyl Chloride (PVC)
Common items: blister packs, clamshells, clear packaging and shrink wrap for commercial products 

Plastic #4: Low Density Polyethylene (LDPE)
Common items: produce/newspaper/bread/frozen food bags, trash can liners, food storage containers, lids, plastic utensils, shrink wrap, squeezable food bottles, and toys
 

Plastic #5: Polypropylene (PP)
Common items: pipette tip racks, aerosol caps, drinking straws, medicine bottles, ketchup bottles, and containers for yogurt, margarine, take-out meals, and deli foods
 

Plastic #6: Polystyrene (PS)
Common uses: packaging pellets or "Styrofoam peanuts," cups, plastic tableware, meat trays
 

Plastic #7: Other or Mixed Grade Plastics
Common items: certain kinds of food containers, bottles, and Tupperware