【4-LEVEL MATERIAL】:It is made of Aluminum foil, Cotton fabric, Cotton, Nonwoven material for premium weatherproof durability.Thicker than the other windshield snow hood covers available on the market. It guarantees an ice and snow free windshield even under windy conditions. 【Magnets & Elastic Edge Design】:magnetic windshield cover has ultra-powerful Magnets in the edges to keep the exterior frost guard windshield cover in place on your vehicle. 【DOUBLE-SIDED DESIGN】: In the Winter,Choose Black Side to absorb the heat and prevent the windshield from freezing.In the summer, Choose Silver Side to be used as the sun visor to reduce the heat and lower the temperature. 【KEEP THE SNOW & THE FROST AWAY】:Strong protection in all weather.The car window cover will help you keep the snow, ice and frost away from your windshield.Also it will protect your windshield from tree sap, pollen and fallen leaves. 【EASY INSTALLATION】: The windshield cover has two small wings with which you can pinch it in the driver and passenger door.Two wings are connected with two straps and a buckle in the car to attach the cover on the windshield, which makes sense especially in a strong wind.