1.made from 100%sugarcanefiber and wheat straw fiber,100% biodegradable ,Healthy, Nontoxic, Harmless and Sanitary no preservative 2. 120 oil-proofing and 100 water-proofing, no leakage and distortion within 3 hours 3. Can be used for microwave, roasting and refrigeratory 4. It will be completely biodegradable within 180 days in soil or landfills , From nature and back to nature,Can be recycled and protect the resource 5. Passed FDA and SGS test.