GetFit Standing Desk Ergonomic Office Anti-Fatigue Mat 22" x 32", Dark Green by M+A Matting 5/8" thick closed cell nitrile blended cushion with a polypropylene fabric top for maximum comfort while standing for long hours One simple solution to "Sitting Disease" Stand comfortably while you work 6 Colors to match your office dcor Multiple sizes are available to fit the needs of your employees and their workspaces Designed for use at stand up desks to provide workers with a comfortable surface to stand on for hours and hours while they are burning more calories than sitting at a desk all day