The mid-back executive CaressoftPlus chair in black with the metal chrome finish is as comfortable as it is handsome. The chair utilizes a two-paddle mechanism that utilizes one paddle for lift and one paddle to release spring tilt or lock; it is very heavy duty. The chair is made with a material called CaressoftPlus which is a trademarked vinyl that is an ultra-soft, breathable upholstery that looks & feels like leather, but is more durable & easy to clean. The chair also offers tilt tension, a pneumatic gas lift, and an upright lock. It has been designed with a sturdy 27-inch chrome base with 2-inch nylon dual caster wheels and has a weight capacity of 275 lbs.Features: Upholstered with ultra soft, durable and breathable Black CaressoftPlus™ upholstery Executive mid-back styling Metal chrome plated arms topped with hard arm pads Heavy duty 2 paddle spring tilt mechanism with infinite lock Pneumatic gas lift seat height adjustment Large 27" chrome base for greater stability Upright locking position Adjustable tilt tension control Hooded double wheel casters Chair Base: Chrome 27 InchCasters: Dual Wheel Nylon 2 InchMaterial: CaressoftPlus™Color: BlackFrame Color, Base Color, or Wood Finish: ChromeWeight Capacity in Pounds: 275Overall Dimensions: 27"W x 27"D x 37" - 41"HMax Product Height (Inches): 41Seat Size (Inches): 19"W x 20"DSeat Height (Inches): 20" - 23"HSeat Width (Inches): 19Seat Depth (Inches): 20Minimum Arm Height (Inches): 26.5Maximum Arm Height (Inches): 30Back Size (Inches): 18.5"W X 19.5"HBack Width (Inches): 18.5Back Height (Inches): 19.5MAS Certified Green: YES