Over the years, Virco's 9000 Series School Stack Chairs have become an integral part of our educational landscape. With over 47,500,000 units sold, these popular chairs are fixtures in thousands of classrooms across the nation and around the world. The 9018 Classroom Chairs feature a 18" seat height - making them ideal for fourth grade through high school and college classrooms. These stackable school chairs are available in 5 attractive colors to coordinate with your learning environment. This particular Classic Series Virco classroom stack chair features a traditional 4-leg design, and will work on carpet, concrete or linoleum equally well.