The Belma Green Office Chair is designed to be used for long work hauls with its comfortable + ergonomic design. This modern office chair features a polyester mesh back, a polyester padded fabric seat, black nylon adjustable armrests, soft polyurethane arm pads, a black nylon base, 60 mm polyurethane casters, a synchronized tilt mechanism with 3 locking positions, adjustable lumbar support, adjustable height + swivel, and is BIFMA approved for commercial use. The Belma Green Office Chair combines all these features into a stylish modern design that will have your back and lower body thanking you for your consideration. It is great for home and professional offices and is built to last.