Product Description : 【Windscreen Covers Frost Magnetic】 The car window screen cover has 9 small magnets built-in, the magnetic force is not too strong so it won't scratch the paint. Distribute evenly on the upper and lower sides of the windscreen covers frost, they are strong enough to withstand strong winds, snow and frost. The two fins of frost cover have been redesigned to be thinner and lighter, and can be easily clipped to prevent rainwater from dripping into the car. 【High Quality Windshield Cover】 Car windscreen cover for winter is made of four layers of thickened materia(aluminum foil, spunlace cotton, high density cotton, oxford), which can protect the car window more comprehensively. The thick material is good for resisting sharp hail, branches and pine needles.