Innovative, dual-purpose mat offers an ergonomic solution to sit-to-stand workstations on hard floors and low-pile carpets. Use it sitting or standing. Resilient, 3/8" foam cushion with vinyl backing on one end provides a soft, comfortable surface to reduce fatigue while you stand. Innovative hinge folds for cushion to stand on and unfolds to full-size chairmat. High-quality vinyl provides a durable rolling surface and floor protection. Rectangular shape provides a large surface area to maximize your mobility. Versatile design protects either hard floor surfaces or carpets up to 3/4" thick including padding.