Plastic #7 (Other) Curbside Recycling Bottles, Tubs and Jars OK You can put plastic #7 bottles, tubs and jars in your recycling. Biodegradable Plastic Is Not Recyclable Vegetable-based plastics such as PLA are often labeled #7, but they are not recyclable. Find out what to do with biodegradable bags and compostable cups, plates & utensils. Did You Know? PLA Plastic vs. PET Plastic PET plastic is a petro-plastic (made from petroleum) while PLA plastic is a bioplastic (typically made from fermented plant starch). While PET plastic can be easily recycled, PLA is more difficult to recycle and requires a special facility in order to be composted. Before disposing, double-check if your item is either PET or PLA to avoid contaminating your recycling stream. Learn more about the numerous packaging alternatives to PET plastic here.