Smooth surface that allows workers to pivot freely. High-density, closed-cell nitrile-blended cushion helps eliminate pressure to the lower back and legs, providing superior comfort. Certified high-traction by the National Floor Safety Institute (NFSI); sloped edges provide a safe transition from floor to mat. Surface is molded, not glued, to the nitrile-blended cushion so it will not separate. Overall Mat Thickness: 5/8".