This ergonomic desk chair includes an antimicrobial additive in the vinyl upholstery on the seat that kills germs and viruses on contact, promoting better workplace hygiene 24 hours a day. It also offers a wide range of height adjustment for the base of the seat, the backrest, the armrests, and even the lumbar support. Additionally, This product is available in a range of colors, Black shown, and has a weight maximum of 300 pounds.