Heavy duty and four-layer: The car windshield cover is made of 4 layers-PEVA aluminum foil, spunlace cotton, composite cotton, soft non-woven lining Keep the windshield clean and clean to help prevent the cars wiper area from being full of leaves and pine needles Summer and winter protection: Summer-blocks nearly 99% of UV rays, helping to lower the temperature in hot and sunny weather Winter--50C resistant to low temperatures It can prevent the formation of frost/snow/ice on the windshield in winter, and reduce the time of icing or snow blowing in the morning Two sizes for most cars: two available sizes fit 99% of vehicles-the standard size (140x90 cm) is suitable for cars and SUVs, and the X large size (145x101 cm) is suitable for SUVs, trucks, minivans (Please measure your vehicle before buying to make sure your car cover fits)Easy to install: simple and convenient to use, no tools required for installation The side cover is designed to be fixed to prevent it from falling off (Silver side up)Multifunctional: It is not only a windshield cover-it can be used as a camping table mat, a tent sleeping mat, a car mat for pets sitting in a car, and an outdoor crawling mat