Plastic #2 (HDPE) Curbside Recycling No Plastic Bags in Curbside Recycling Many plastic bags are labeled plastic #2 or #4, but they are too thin to recycle with hard plastics and will get caught in the processing machinery. Find out how to dispose of plastic bags. Clean Out Containers If a container once held food or liquid, empty, clean and dry the container as well as you can before recycling it. Containers with food, liquids and other residues can contaminate whole batches of recycling and are often sent to a landfill. Help Prevent Litter Plastic #2 is a lightweight material that easily finds its way into the environment, where it can leach toxic chemicals. Dispose of it properly to prevent it from becoming litter. Did You Know? What Plastic #2 Can Become Plastic #2 can be recycled into new plastic jugs, plastic lumber, patio furniture, flower pots, buckets, recycling bins, benches and fencing.