-Made from PSM , biodegradable and compostable , heat resistance starch cutlery. -The biodegradable utensil (fork knife spoon)is made of Non-GMO corn starch. -This biodegradable utensil will withstand temperatures of up to 176 degrees (F). -This biodegradable cutlery is Healthy, Nontoxic, Harmless and Sanitary .