Harmless, nontoxic, and odorless ,water resistant. Heat resistant120degree Celsius,frost resistant-18degree Celsius. Biodegradable eco-friendly disposable cornstarch bowl 1.Non-toxic 2.Eco-friendly, biodegradable 3.Can be used in microwave Size: 12.5mm 1.8g/pcEco-friendly&biodegradable; Harmless, nontoxic, and odorless.Heat-resistant(120 degrees Celsius), vegetable oil proof, and water-resistant. ...