Boss Office Products Black Contemporary Ergonomic Adjustable Height Swivel Drafting Chair Heating Solutions it's a statement of practical it's a statement of practical elegance 875 in Product Width (in 0 Adjustable Height Yes Package Quantity 1 Arms Armless Folding No Massaging No Heated No Lumbar Support Yes Ergonomic Yes Casters Yes BIFMA ANSI Certified No CA Residents: Prop 65 Warning(s) No Swivel Yes Arm Type Armless UNSPSC 56101500 Tilting No Open mesh back with solid metal back frame with ballistic nylon wrap Breathable mesh fabric seat with ample padding 25 Nylon base Hooded double wheel casters Pneumatic gas lift seat height adjustment 20 Diameter chrome footing Loop arms