【STATIC CLING Non- ADHESIVES】Our window films are Glue free design, no chemical release, very easy to install, just make sure window surface is completely clean and absolutely free of any blemishes, remember to use A LOT of soap/water mixture to soak both the adhesive side and window. This removable solar window film is made from vinyl, thickness of 0.15mm, clear and bright, no need glue when applying.It's convenience!If you don’t want it,Just tear it off leave no trace. Note: If still have bubbles, just peel off the film, spray more water on the glass and the window film, and then scrape again and the air bubbles easy to be removed.