HEAVY DUTY u0026amp FOUR LAYERS: The car windshield cover is made of 4 layers - PEVA Aluminum Foil, Spunlaced Cotton, Composite Cotton, Soft Non-Woven Lining. Ulter think and heavy duty to keep the windshield clean u0026amp clear, help blocking the car wiper area from filling with leaves and pine needles. SUMMER u0026amp WINTER PROTECTION: Summer - Blocking out nearly 99 percent of UV rays , help to turn down the temperature during hot u0026amp sunny weather. Winter - -50C low temperature resistance. It can prevents frost or snow or ice build up on the windshield in the winter and reduces the time spent scrapping ice or snow in the mornings. 2 SIZES FOR MOST CARS: Two Available Sizes Fit 99 percent of Vehicles - The standard size (140x90cm) fits for Cars and SUVS and the X-large size (145x100cm) fits for SUVs Vans Trucks Minivans. (Please measure your vehicle prior to purchase to ensure your cover fits) EASY TO INSTALL: Easy u0026amp convenient to use, No tool required for installation. Secure with side flaps design, prevent from falling off. (SILVER SIDE UPWARDS) MULTI-FUNCTIONAL: It is not only a windshield cover - It can be used as camping table mat, tent sleeping pad,pets sitting car mat in your car and crawling mat at the outdoors.