Modern Ergonomic Office Chair with Lumbar Support: Designed with a sleek, contemporary profile, this ergonomic office chair features enhanced lumbar support that promotes proper posture and delivers lasting comfort during extended work or study sessions. Heavy-Duty ABS Frame with 265 lb Weight Capacity: Constructed with a durable ABS plastic frame, this office chair offers dependable stability and long-term performance, supporting up to 265 lbs for reliable everyday use. Plush Foam Cushioning with Breathable Cotton Upholstery: The seat and backrest are filled with supportive foam and wrapped in soft, breathable cotton fabric, providing all-day comfort while helping keep you cool and focused. 360° Swivel Chair with Tilt Mechanism and Smooth Casters: Enjoy effortless movement with a full swivel design, tilt functionality, and smooth-rolling removable casters that glide easily across a variety of floor surfaces. Adjustable Height with Easy-Clean, Quick Assembly Design: Customize your seating position with adjustable height control, maintain a clean look with easy spot-clean fabric, and enjoy fast, hassle-free assembly with clear instructions. Overall: 38.98-42.91" H x 24.8" W x 22.83" D Seat: 18.50-22.44" H x 19.29" W x 20.07" D Arms: 26.37-30.31" H x 3.54" W Back: 22.04" H Weight: 19.84 lbs