Cesca's seat is urethane foam over molded plywood.‎ Back is beech with cane insets.‎ Frame is 1” diameter chrome-plated round steel tube with a polished finish.‎ Plastic glides snap into base to protect floors.‎ The KnollStudio logo and signature of Marcel Breuer are stamped into the base of the chair.‎Marcel Breuer married traditional craftsmanship with industrial methods and materials to help make tubular steel furniture an international sensation and a modern institution.‎ The cantilevered form exploits the possibilities unique to the material and gives the chair added flexibility and comfort.‎