Scratch-resistant, 5/8" thick, solid thermo-set plastic tops and 18" hard plastic seats resist wear. The chair desk has easy-to-clean surfaces that won't show wear year after year. The two-piece chair desk design features full-width backs to ease fatigue and correct posture. The 18" x 24" chair desk includes a pencil groove. Unit comes in a variety of colors.Chair Desks Quick Ship in Blue with a Sand top and Chrome frame. Ships two per carton in full cartons only.