Just installed one of these and totally worth the price.

From the company website: Drymate Garage Floor Mat (17 ft. l x 7 ft. 4 in. w) $169.95. Absorbent, portable, waterpoof rug protects floors and autos. This attractive floor mat is made of Drymate,® an absorbent, waterproof material with a slip-resistant, leak-proof backing. This makes it ideal for trapping oil, road grime, antifreeze and other spills and debris that can permanently mar garage floors. Lightweight, trim to fit and easy to move, this mat has many other uses, such as garages, party rooms, playrooms, home gyms, campsites, decks and other high traffic areas. Clean with a vacuum or hose or mild soap and water. Made in USA. Measures 7’4”w x 17’l; charcoal grey color.