Drafting stool features an air grid back with built-in lumbar support, thick padded mesh seat and adjustable chrome footrest. Functions also include one-touch pneumatic seat-height adjustment. Heavy-duty nylon, five-star base has dual-wheel carpet casters. Seat size is 20" wide x 19-3/4" deep x 3-1/2" high. Back size is 19-3/4" wide x 17-3/4" high. Drafting stool weighs 37 lb. This product ships in approximately 1 days