The ideal task chair for all-day comfort and perfect in any office. Ideal in small work spaces. The breathable mesh back is height adjustable. High-quality, durable fabric upholstery designed to resist abrasions and fading. The waterfall seat edge helps relieve pressure points on the back of the knee. Five-star base with wheels for easy mobility. Features: The ideal task chair for all-day comfort and perfect in any office. Ideal in tight work spaces Height-adjustable breathable mesh back High-quality, durable fabric upholstery designed to resist abrasions and fading. The waterfall seat edge helps relieve pressure points on the back of the knee. Five-star base with wheels for easy mobility Specifications: Color: Black Arms Included: No Back Height Adjustment: Yes Tilt Tension/Tilt Lock: Yes Seat Width Maximum: 19 7/8 " Maximum Seat Depth: 18 1/4" Minimum Seat Height: 18 1/2" Maximum Seat Height: 23 1/4" Seat Material: 100% Acrylic Maximum Back Width: 17 1/4" Seat Height Minimum Backrest: 16 3/4" Maximum Back Height: 18" Back Material: Mesh Base Material: Nylon Wheel/Glide/Wheel: Five 2" Hooded Wheels Wheel Tread: Hard Dimension: 12.600" H x 23.220" W x 25.600" D Weight: Supports up to 250 lbs