Designed for ultimate comfort and ideal for support in heavy-duty, dry industrial and commercial settings. PVC diamond-plate surface is chemical resistant and enhances traction. The sponge base has a dense molecular structure that adds long-lasting ergonomic support and less strain on ankles, legs and back. Protects floors while shielding falling tools from damage. Mat is 9/16 in. thick, black with yellow borders and has all 4 sides beveled to reduce tripping hazards.