The Anatomy swivel stool from OFM was designed to provide comfort by promoting proper posture. This stool would be ideal for any lab, office or medical professional. Features of the Anatomy stool include a durable anti-microbial/anti-bacterial vinyl upholstery with thick foam seat and backrest padding, accommodates multiple seating positions, height adjust ring under the entire seat for easy adjustment at any angle, pneumatic seat height adjustment, 360 degree swivel, 20" chrome accented base fits in smaller spaces and dual wheel carpet casters allow for easy mobility across floors. This stool meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 15"Diameter. Back Size: 19"W x 9"H. Seat Height Adjustment: 18.75" - 22.75"H. Base Size: 20"W. Overall: 27.75" - 31.75"H x 21.25"W x 22"D. Weight: 19 lbs. Limited lifetime warranty from OFM. This stool normally ships in 2-3 business days.