... starch 2. 100% biodegradable 3. oil-proofing and water-proofing, no leakage and distortion 4. Can be used for microwave, ... roasting and refrigeratory 5. Variety of sizes, shapes and uses available 6. Healthy, Nontoxic, Harmless and Sanitary, no preservative ... meet customers special request, and we have OEM service offered. You will be satisfied with our qualified goods and warm services.