Innovative LIGHTWEIGHT, GREASE PROOF rubber mat made of a 100% NITRILE compound for superior performance, comfort & durability. - Low profile, only 1/4" thick. - Non-absorbent closed-cell rubber. - 100% nitrile grease proof formula. - Drain holes for use in wet areas. - Anti-Fatigue sponge properties in a unique rubber compound. - Anti-Slip surface-bar design promotes safety. - Reversible for extended life. - Light weight - easy to handle & clean.