NoTrax 109 Brush Step Entrance Mat, for Lobbies and Indoor Entranceways, 3' Width x 10' Length x 3/8" Thickness, Red/Black A lighter-weight double rib high/low design that performs the scraping function of the mat (Note: ribs run length of mat) Vinyl backing helps reduce mat movement Face weight: 19 oz per square yard Backing thickness: 70 +/- 4 mils Weight: 0.77 lbs square/feet