Unique dual purpose mat offers the flexibility to either sit or stand. Ideal for sit-to-stand desks. Roll with ease on the chair mat. Stand in comfort on supportive foam cushion. Protects wood floors, laminate, tile and other hard surfaces. Innovative hinge folds for cushion, unfolds for full size chair mat. Mat Type: Anti-Fatigue Mat; Chair Mat; Application: Carpeted Floors; Hard Floors; Width: 45"; Length: 53".