Sold as 1/Each. Task chair is a smart addition to any office space. Seat dimensions: 20.9"W x 20.1"D. Holds up to 275 lbs.. Black and Cobalt mesh upholstery allows air to circulate. Back dimensions: 20.9"W x 22.4"H. High-back design offers adequate support to neck and head. Width and height adjustable arms allow you to rest your forearms comfortably. Lifetime Limited Warranty. Overall dimensions: 40.6-44.1"H x 27.2"W x 25.2"D. Daily usage 8-10 hours. Help your joints feel their best with this Tempur-Pedic mesh cobalt computer and desk office chair.