This chair by Office Star® features a padded seat with memory foam, metal frame and dual wheel carpet casters on a five-star base. Ideal for comfort and back support. Thick Padded Memory Foam Seat and Knee Pad Manual Height Adjustment Black Metal Frame and Five Star Base with Dual Wheel Carpet Casters Assembled Dimensions 17"W x 22.25"D x 22.5"H Easy to assemble Work Smart™ 23.00-in x 17.00-in Black Ergonomic Knee Chair With Memory Foam
