Invest wisely in your employees and yourself. This mesh desk chair provides exceptional support to the hard-working professionals in your office. This ergonomic mesh back office chair features transparent, breathable mesh across the back allowing air to circulate. Built-in lumbar support improves your posture and helps prevent back strain and muscle fatigue. Padded flip-up armrests relieves pressure from your shoulders and neck and rotate 90 degrees out of the way. The contoured seat is padded with 3" of molded foam and covered with black mesh upholstery. 360 degree swivel capability paired with dual wheel casters allows access to multiple work surfaces. The pneumatic seat height adjustment lever allows the seat to raise and lower. Turn the tilt tension adjustment knob to increase or decrease the amount of force needed to rock or recline. this mesh office chair with lumbar support cleans easily with a solvent base cleaner, no water needed. Waterfall Seat reduces pressure on your legs. CA117 Fire Retardant Foam. Built-In Lumbar Support. Overall Dimensions: 24. 5"W x 25. 5"D x 37. 5" - 41. 25"H. Contemporary Task Office Chair. Back Dimensions: 17"W x 23"H. Padded Black Mesh Upholstered Seat. Dual Wheel Casters. Care Instructions: S-Solvent based cleaner - no water. Swivel Seat. Back Width: 17-20". Seat Dimensions: 17. 25" - 20. 75"H x 20. 25"W x 19"D. ANSI/BIFMA compliant for safety. Mesh Task Office Chairs. Color: Black Mesh; Material: Foam, Mesh, Metal, Plastic. Ergonomic - Built-in Lumbar Support; Waterfall Seat. Warranty: 1 Year Limited. Assembly Required. Ventilated Mesh Back. Tilt Lock Mechanism rocks/tilts the chair and locks in an upright position. Pneumatic Seat Height Adjustment. Rated for up to 250 lbs Based on 6-8 Hours Use. Padded Flip-Up Arms. Mid-Back Design. Heavy Duty Nylon Base. Tilt Tension Adjustment Knob adjusts the chair's backward tilt resistance. Revamp your office space with a ventilated mesh office chair that will make a great addition in modern and industrial spaces.