Sold as 1 Each. Footrest helps improve circulation while seated at workstation. Dimensions: 6.75'H x 13.75'W x 17.75'D. Black in color and crafted from plastic for dependability. Safe for all surfaces - will not scratch or mar. Adjustable tilt and height make sure it can be adapted to any workspace. The adjustable height from 4.5' to 6.75' allows to find the perfect position to relax comfortably.