... 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, ... and restored to carbon dioxide and water,back to nature.5.Being environmental protection and sanitary,poisonless,harmless and healthy. 2013 new design and good quality ...