Notrax 150 Aqua Trap Entrance Mat, for Main Entranceways and Heavy Traffic Areas, 3' Width x 5' Length x 3/8" Thickness, Charcoal Molded bubble pattern facilitates scraping and drying, retaining moisture and debris within its patented/invisible aqua dam border Extremely durable, yet highly fashionable look featuring carpet-to-the-edge to blend with its surroundings Anti-Microbial carpet treatment to stop bacteria and germs at the entrance Densely tufted yarn for increased moisture retention, rubber underside features a cleat design which resists mat slippage Recommended and approved product as a part of the GreenTRAX program for Green Cleaning environments (when used as part of the Stages system).