NoTree Portion Cup Lids are made paper produced from plant fibers with a bio-based lining. Can be used for hot and cold foods. Freezer safe. Do not microwave. Certified compostable in a commercial facility. Pairs with portion cup: SF-NT-4 and NoTree cup: CU-SU-4 (sold separately). - Stock Print; Plant Fiber Paper - Fits 4 oz - Diameter 3 in - Height 1/2 in - Sold per case; 1,000 per case