... made of corn starch, fully biodegradable and compostable. 2. 100% natural and environmentally friendly, hygienic.1.Be resistant to100 ... °C hot oil and water,invariance and impermeable.2.Be fit for microwave baking,refrigerator ... carbon dioxide and water,back to nature.5.Being environmental protection and sanitary,poisonless,harmless and healthy. 2013 new design and good quality ...