OFM Straton Series Armless Swivel Task Chair, Anti-Microbial/Anti-Bacterial Vinyl, Mid Back, in Black (119-VAM-606) Perfect for an area with people coming and going, the anti-microbial/anti-bacterial vinyl material helps to establish a germ-free work environment Between the built-in lumbar support, the molded poly back, and the 3 thick vinyl padded seat, this chair creates the ultimate sense of relaxation Armless chairs provide the option to be more compact, while giving the option to freely move your torso This office chair also boasts an adjustable back and height pitch, making comfort extremely simple For ultimate durability, the computer chair is constructed with a 25 five-star base This task chair measures 27" D x 25.25" W x 37" - 41.50" H Desk chair features a 250 lb weight capacity and is covered by the OFM Limited Lifetime Warranty