Silver solar protection foil for windows by meters. Also known as solar or spy foil, due to its insulating effect, this sunscreen will help you to keep your house cooler in summer, as well as warmer in winter. It is cheaper than other systems to protect your windows from high temperatures and you can do it yourself quickly and easily. The meters you buy are received in a single roll. This anti-heat vinyl is so easy to install that you can make yourself, as you can see in our installation video.