Plastic Lids Put in Garbage Check the Plastic Type Dispose of lids according to their plastic type. Most coffee cup lids are made from plastic #6. Soda cup lids are usually made from plastic #7, and might be marked “Other.” Lids for plastic cups are generally made from plastic #1. Ways to Reduce Bring Your Own Cup Carry a travel mug or water bottle instead of using disposable coffee cups or plastic cups.