1. Anti Theft Design This snow car cover also features a special anti theft design. It is equipped with two 'big ears', which are clamped on the car door, connecting the car snow cover with the car body tightly, preventing people from moving it easily. This anti theft design eliminates the need to worry about your windshield covers being blown away by the wind. 2. 4 Layer Thickening Material Upgraded car window cover protection is more powerful, 4 layer thickened design, aluminum film layer, two layers of cotton layer and non woven fabrics, effectively blocking snow and ice, reflecting the sun's rays, isolating the sun's high heat and preserving the temperature inside the car for a long time. 3. All Seasons ProtectionThis windshield cover can prevent frost, snow or ice piled up on the windshield in winter, protect from UV rays in the summer, block dust in spring and keep away from fallen leaves in autumn, always keep the windscreen Clean Clear. 4. Windshield CoverThis windshield cover is made of multi layered composite material (aluminum foil PE film material cotton), which is tear resistant. The bottom is very soft and does not hurt the car's surface.