Boss - BOPB169503CS The Square Back Stool is a versatile seat that can be utilized as a drafting stool, guest seat and more. It's made from Caressoft vinyl, an upholstery that looks and feels a lot like leather yet is far more durable and can be easily cleaned with a damp cloth. The stool has fixed arms and a four-leg, tubular base made from steel. Chair supports up to 275 lb.