Approved by the City of Houston, Texas. Fully biodegradable and compostable leaving no harmful residue. Biodegradable Plastics Institute (BPI) certified meeting ASTM D6400 04 standard. DIN CERTO Certified meeting EN 13432 9 (BPI) equivalent. Designed with the consumer in mind, heavy lifting and load capacity. Strong, tear, and lead resistant. 33 gallon, 10 count.