SunShade Windshield sun shades are custom-fit for your vehicle and when properly installed, will remain snug in each window opening. Dual-purpose design helps keep vehicles cool in the summer, and in the winter, also helps warm up interiors and avert frost build-up.. Help keep your entire vehicle's interior temperatures down while protecting it from the sun's damaging effects, and regular Sunshade covers the front window while full vehicle kits include 3 to 10 pieces depending on the vehicle model.. WeatherTech SunShade Full Vehicle Kit | TS0130K1