Unique soft top anti-fatigue mat provides exceptional comfort, Use in computer rooms warehouses and assembly lines, Slip-resistant nitrile resists grease and oil, Anti-static Welding safe, Edges Beveled on 4 sides, Recommended for dry locations only will absorb liquids, High heels stools and sharp objects will not damage the mat, Not for rolling chairs, OSHA approved, Chemical resistant, Electrically Conductive is rated 101 to 105 and accepts static electricity the quickest, Not fire resistant, Not anti-microbial