biodegradable disposable eco-friendly fork 1. biodegradable , eco-friendly 2.disposable,hygienic product name biodegradable disposable eco-friendly fork materialcorn starch certificationFDA,SGS,ISO9001,ISO14855,ISO14001,OS ... -20 centigrade degree to 120 centigrade degree. besides,comparing to paper products, our products are water,acid alkali and oil resistant.