26 cm. Did You Know? It takes 60% less material by weight to make a foam plate than it does to make a paper plate of comparable functionality. Hefty.com. how2recycle.info. Learn more at: hefty.com/sustainability/facts-on-foam. To contact us visit Hefty.com, call: 1-800-433-224 or write: Hefty Brands, PO Box 85583 Richmond, VA 232285-5583. Box Tops Education: Earn cash for your school! CFC free. BPA free. This product is manufactured without the use of ozone depleting materials. Proudly made in the USA.