Also available as a pack of 50, SKU - CU-SU-12-P. Pairs with lids- CUL-CS-12, CUL-FB-12-LF. World Centric 12 oz NoTree hot cups are made from 100% bamboo paper with no bleaching, meaning no trees were cut down to make them. Like all of our paper cups, these paper-free cups have a lining made from corn, not petroleum. 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.