Gas-Lift Stool. coordinate the seat upholstery with the couch to create a particular feel to the practitioner office. Designed for comfort, durability, practicality and hygiene. Gas-assisted height adjustment. Comfortable padded seat and back. Luxury high performance (flame retardant) upholstery with rounded corners and anti-bacterial additive helping to reduce MRSA and other bacteria. Maximum user weight 130kg. Quality, durable, easy to clean materials. 2 year guarantee. Strong and Durable Ergonomic Arms. anti-bacterial upholstery. Five Star Base for Stability