This drafting stool from Boss features a thick, foam padded and contoured seat and backrest for added support and is available in your choice of (4) different stain resistant commercial grade fabric colors. Other features include pneumatic seat height adjustment, back height adjustment, back depth adjustment, 360-degree swivel, strong 20" diameter chrome foot ring and a heavy duty nylon base with dual wheel hooded casters. Available options for this chair include adjustable height arms and floor glides that keep the stool stationary. Dimensions: Back: 17"W x 16"H. Seat: 19.5"W x 18"D. Seat height adjustment: 26.5" to 31.5"H. Overall: 25"W x 25"D x 41.5" to 49.5"H. Six year limited warranty from Boss. These contoured drafting chairs normally ship within 2 business days from our GA or CA warehouse.