Increase your comfort with this anti-fatigue mat for standing desks featuring a non-flat contoured surface with varied terrain - Ergonomic active standing desk mat encourages movement and varied stances while standing to work - Cushioned 3D topography - Flexible thick cushioning made of polyurethane foam - Premium 3D features include a textured massage bar plus teardrop flex center and raised side panels - Large stand up desk mat 26" x 29" (66 x 74 cm) - Slide it into place with just one foot