This medical stool is upholstered in durable Grey, easy to clean microbe-resistant vinyl, and equipped with a 4"� thick molded foam seat that provides improved durability. It is attached with an easy to reach gas lift seat height adjustment lever, providing a vertical range of 6"� to suit your comfort and work environment. Its base has an attractive chrome finish, and provides great stability to the stool. The hooded double wheel casters make it easy to move and shift directions. Features: • Ergonomic design emulates the natural shape of the spine to increase comfort and productivity • Upholstered in durable microbe-resistant vinyl for easy maintenance and cleaning • Adjustable seat height with a 6" vertical height range • Attractive chrome finish on the base and gas lift • Dual wheel casters allow for easy movement • Boss Office Product chairs have a 6-year limited manufacturer warranty • MAS Certified Green for low VOC emissionsSpecifications: • Weight Capacity: 275 • Seat Dimensions: 16" W x 16" D • Seat Height: 20.5"-26.5" H • Product Dimensions: 24" W x 24" D x 33.5-39.5" H • Product Weight: 16