Office Star Deluxe Ergonomic Drafting Chair with 20" Diameter Footring, Seat and Back Tilt Adjustment (special order) - Marquesa Lana-Cinder Assembly Required: Yes, Back Size: 16.75" Height x 17.25" Width, Base: Nylon Base, Casters: 5 Dimensions: 46" Height x 19" Width x 25" Depth, Product Model: DC940, Seat: Cinder, Seat Size: 18.5" Width x 17.75" Depth Features: Pneumatic Adjustment, Lumbar Support, 360 Swivel Sold as 1 each