Available year-round:Rear window snow cover helps prevent damage to rear window glass from snow, ice, rain, sleet, water and storms. Saves you time by eliminating the hassle of scraping snow in the morning..Full Cover:Snow Rear Windshield Cover measures 55 inches in length and 31 inches in height and will cover the entire rear windshield. This snow cover fits most sedan cars..High-quality material:Our rear window defroster is made of PEVA aluminum foil material with a soft interior to prevent scratches on the windshield and also prevent frost on the car windshield..The protective hood has hook and loop straps and safety flaps. This elastic hook and loop straps help keep the hood in place and prevent it from shifting in bad weather, which would prevent it from covering the car's rear window position..Easy to Installation:Place the flaps inside and close the doors on both sides. Attach the hook straps to your wheel spokes.