Combining flexibility with ultimate comfort for optimum ease of use, the Yume Stool has a fixed base with a flexible stem. It provides ease for the technician whether they work while sitting in the low position or a mid-level position. Rocking motion and shape of seat allow for proper circulation and comfort. Black upholstery only. 16.35" W x 16.35" D x 19.09", 26-46" Height Range. Weight: 33 lbs.