8.875 in (22.5 cm). Did you know? Making, using and disposing of foam plates requires 50% less energy than paper plates of comparable functionality. Learn more at hefty.com/sustainability/facts-on-foam. Hefty.com. To contact us visit: Hefty.com, call: 800-433-2244 or write: Hefty Brands PO Box 85583 Richmond, VA 23285-5583. Box Tops for Education. Earn cash for your school! CFC free. This product is manufactured without the use of ozone depleting materials. Recycle if clean & dry. Product made in the USA.