Never get stuck again! Give your tires instant traction in snow, ice or mud. Just place this ridged traction booster under your tire and put car or truck in drive to get out of almost any jam. Doubles as a handy ice scraper, too! Two sizes: regular (13½" L x 6" W) and large (23½" L x 8" W); works with all vehicles. Store in trunk so you’re always prepared! Rugged, molded plastic construction.