ES Robbins - Anchormat Chair Mat for Plush Pile Carpets, Clear Replaces sharp cleats, making the mat easier to handle. A series of perpendicular bars, this innovative cleat system "anchors" the mat as securely as traditional cleats, Super clear, lightly textured surface is scuff-resistant while allowing the beauty of the floor to show through. Crystal Edge creates a smooth, finished edge of superb clarity while providing effortless roll on and off the mat. For use with loop or berber style carpet up to 3/8" thick including the padding.