World Centric Biodegradable And Compostable Straws Are Made From Pla, A Biodegradable Resin Made From Corn Starch, Pla Resin Is Certified For Biodegradability And Compostability, Under Astm D6400-99 The North American Standard For ""Compostable Plastics"", Please Always Check The Ingredients Before Use SKU: BNGLA14916