"The Vestil Assembly Chair is durable, high-quality seating that's ideal for production lines, workstations, and industrial/commercial environments. Material Vinyl w/steel frame, Dimensions W x H in. 23 x 23, Capacity lbs. 250, Adjustable Yes, Height Range in. 21-31. 12 1/2in. across Pneumatic seat height adjustment Five-footpad design Easy-to-clean seat"