22 cm. Eco-Friendly Compostable (Only compostable in industrial facilities), made from renewable resources. Compostable in industrial facilities. Check locally, as these do not exist in many communities. Not suitable for backyard composting. BPI compostable. Each cash for your school! Box Top for Education. how2recycle.info. how2compost.info. To Contact Us Visit: Hefty.com, call: 1-800-433-2244 or write: Hefty Brands, PO Box 85583, Richmond, VA 23285-5583. Product made in china.