Seat for healthcare professionals in clinical settings such as exam roomsOur most POPULAR exam stoolsConvenient pneumatic height adjustment 17 34 to 24 12 footring models 20 to 27.5 Comfortable 16 wide 4 thick poly foam seat cushionStylish 23 brushed aluminumblack accented baseAvailable in 50 standard upholstery colors to match any decorCapacity 250 lbs.Chrome hooded dual wheel castersOptional seamless vacuum formed upholsteryFire rated models available to comply with California Illinois and Massachusetts requirements5 year limited manufacturer's warranty