Sugarcane Pulp White Square Plate Quartz with Clear PLA coating. This product is coated with Clear PLA lamination inside, made out of plant starch (for a better moisture barrier and fat resistance), and is compostable. It can withstand temperatures from -0.4 to 212 degrees Fahrenheit. Microwavable (3 min at 800W) and oven reheating (up to 212 F).