Polyurethane Operator Chair This Polyurethane Operator Chair is height adjustable and has a mobile castor base for convenience. Height adjustable, with back tilt, this swivel chair is perfect for schools, laboratories, and art studios. SKU: LAB Ideal for school classrooms, science labs and art studios Made from tough polyurethane Easily wipes clean Height adjustable with back tilt Five star castor base 4 weeks delivery time Need more choice? Call us on 0800 559 3917, or visit our showrooms in London, Essex, or Northampton, for additional options, prices, and availability.