WaterHog Car Mat - Chevron Pattern Standard Cargo Mat WaterHog Car Mats contain dirt and water to help keep your vehicle clean. The ever popular Chevron pattern combined with a durable rubber backing creates floor mats willing to stand up to all types of weather and enhance style and durability. For cars, crossovers, mid-sized trucks and small SUVs, use standard front mats. For full-sized trucks, large SUVs and mini-vans, use large front mats.