T.W Evans Cordage MHC-2436BL Cobblestone Mat, 24-Inch x 36-Inch, Blue Sturdy ribbed design scrapes and traps soil within the recessed grooves Durable polypropylene face is effective against dust and lighter weight soil Smooth non-skid vinyl backing Easily cleaned by vacuum, hose or pressure washer Recommended for commercial buildings, hotels, restaurants, healthcare facilities, office buildings and more