Diamond Sof-Tred floor mats have a revolutionary PVC sponge compound that reduces fatigue and discomfort from standing for extended periods. Tough Dyna-Shield barrier resists wear, extending service life. Protects floors while shielding falling tools from damage. Diamond-plate design mat is 1/2in. thick, black with yellow borders and has all 4 sides beveled and sealed. For dry, medium-duty work areas.