Amplify any classroom or workspace with the functional convenience of the Flash Furniture Hercules Series Ergonomic Shell Student Chairs. These classroom chairs provide comfortable and flexible seating for students and clients of all sizes, making them great for classrooms, training rooms, waiting areas, offices, churches, business centers, and other commercial or residential areas. Ergonomically designed, the stackable student chairs boast a comfort-formed shell design with a waterfall edge that reduces leg pressure and air-vented lower back that promotes proper air circulation for all-day comfort. The school chairs feature a lightweight design and protective plastic floor glides to allow for easy movement around the classroom, and the chairs have a stack quantity of up to 20 high for compact storage in between uses. Constructed from durable, easy-to-clean plastic, these portable classroom chairs support up to 880 pounds of static weight and are suitable for high-traffic environments and school events. Spills efficiently drain through the drain holes in the seat to prevent water pooling. Each lightweight school chair measures 19.25" W x 23.5" D x 32" H with a 17.75" W x 15.5" D x 17.75" H seat size and 17" W x 15" H back size. No assembly is required.