Perfect for any classroom space, the innovative School Stack Chairs are built for comfort and durability. Each chair features a molded seat with vented back for comfort, reinforced ribbing behind and under the seat for added strength, and steel lower back support. Don't worry about hair or clothes getting caught our no-snag design ensures screws and other hardware don't poke through the seat. Chairs are easy to wipe clean and sanitize at the end of the day. Measures 12".