Material: PVCInstallation Tip :Step1:prepare the spary bottle (water and 1 drop of shower gel),rag and scraper ,to totally clean the application area.Step2:remove the film and spray it with a certain amount of water on the sticky side .Step3:Align the holes first which will help to align the whole piece film.Step4:Scrape the water and air bubbles out from center to corner by using a scraper.Step5:Use a heat gun,hair dryer,or lighter to flatten and affix the uneven place.note：Don't overstretch the film, or the glue will be thinned,and it might lead to a lifting of your film.