1.[Please note the size!]: Our car sunshade with front window size: 31.49 inches 19.68 inches 7.87 inches. Rear window size is: 31.49 inches19.68 inches. You can refer to the size detail picture on the page. Please be sure to check if the product size is suitable for your car before purchase.!(Installation steps and installation videos are available on the details page) 2.[Warning!]: Our product is designed with magnetic attraction, it will not fit some aluminum, fiberglass or plastic body. So please make sure your vehicle is made of iron before buying (if you don't know if your doors or window frames will work? You can test with fridge magnets or something magnetic 3.[Installation and usage instructions]: The product is not recommended to be used when driving with the windows open, because when driving the wind is too large to blow away the car sunshade, weakening the adsorption. This magnetic side window shade is very easy to install, you just stick the magnet to the metal frame window and adjust it by moving the magnet 4.[Protect car interior]: The magnetic car blackout window covers gives you amazing effect,we choose thickened titanium silver coating material, sunlight is fully reflective, blocking 99% of UV rays. Protect your dashboard, leather seats and steering wheel from the negative effects of UV rays.