... and ASTM6400.We are the factory specializes in 100% biodegradable products ,which includeBiodegradable C-PLA Knives,Forks,Spoons,Tea ... Spoons,Stir sticks. Biodegradable CPLA coffee cups with lids.Biodegradable PLA drinking strawsCompostable sugarcane clamshell,cups,bowls,plates etc.Material ... high heat tolerance up 185 F.Features:1.100% Biodegradable during compostable.2.Heat resistance up to 185 F ...