Pairs with lid: CUL-CS-8, CUL-FB-8-LF. Made from 100% sugarcane paper with no bleaching, meaning no trees were cut down to make them. They have a lining made from corn, not petroleum, making them compostable in a commercial composting facility. These disposable hot cups are great for warm beverages like coffee, tea, and hot cocoa. Composts in 2 to 4 months. Not microwavable.