The CargoTech Cargo Containment System integrates with either the WeatherTech Cargo Liner, the standard carpeted surface of your car trunk, or the SUV cargo area to aid in securing large or unusually shaped items, such as grocery bags or plants. Molded from two different materials, the WeatherTech CargoTech system couples a durable plastic "fence" with a super-grippy underside to ensure your goods remain stable. Sold as a set of four with each corner piece measuring 8" x 8" x 5".• Keeps cargo of all different shapes and sizes from shifting and sliding all over your trunk area• Super-grippy underside works on both rubberized cargo mats and standard trunk carpet• Helps organize your trunk area cargo• Perfect for groceries, coolers, gym bags, sporting equipment, luggage, and plenty more• Sold as a set of 4 Creates a durable ""fence"" to contain large or unusually shaped items Perfect for groceries, coolers, gym bags, luggage, & more Set of four corner pieces measuring 8"" x 8"" x 5"" | Weather Tech WeatherTech CargoTech Cargo Containment System