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