Also available as a pack of 50, SKU - CU-SU-4-P. Pairs with lid- SFL-NT-2. World Centric 4 oz NoTree hot cups and bowls are made from bamboo paper with a bio- lining. These disposable hot cups are great for warm beverages like coffee, tea, and hot cocoa. Not microwavable. They are certified compostable in a commercial facility, which may not exist in your area.