KI Intellect Wave Pedestal Chair in Black Comfortable furniture leads to engaged students. Wave classroom furniture is designed to provide support and still give in just the right places. Better comfort results in improved concentration. Task chair is mobile ergonomic seating. Height-adjustable seat ideal for teachers, classrooms or computer labs. Black Finish. 24-1/2"W x 24-1/2"D x 16-1/2 - 21-1/2"H Overall. 27.20 L. 24.00 W. 12.50 H.