1,100% Biodegradable corn starch bags 2,OK Compost 3,Comply with EN13432, ASTM D6400 ... to complete degradatio compostable sacks/100% Biodegradable bags/100% Biodegradable corn starch bagsStarch-based material100%biodegradable & compostableEnvironment friendlyOK Compost,EN13432, ASTM D6400Normal ...