Boss Office Products Black Contemporary Ergonomic Adjustable Height Swivel Executive Chair Grab bars Its lightweight composite housing and Its lightweight composite housing and isolated motor design not only reduce vibration but also ensure effortless handling color: white metallic 0 Adjustable Height Yes Package Quantity 1 Arms Fixed Folding No Massaging No Heated No Lumbar Support Yes Ergonomic Yes Casters Yes BIFMA ANSI Certified No CA Residents: Prop 65 Warning(s) No Arm Type Fixed Swivel Yes Tilting Yes UNSPSC 56101500 Beautifully upholstered in black leather plus LeatherPlus is leather that has been infused with polyurethane for added softness and durability Pillow top design with a perforated center Pneumatic gas lift seat height adjustment Adjustable tilt tension control Padded armrests covered with Caressoft upholstery Large 27in nylon base for greater stability Hooded double wheel casters