NoTrax Rubber 980 Pebble Trax Grande Anti-Fatigue Mat, for Dry Areas, 2' Width x 3' Length x 1" Thickness, Black Pebble embossed rubber top surface is great for welding application Dense closed cell sponge base provides cushioned comfort Exclusive Red Stop technology creates non-skid bottom, reducing mat movement Unifusion bond eliminates mat de-lamination; bond is guaranteed for life of the mat 1" thick, beveled edges on all 4 sides for safety