Rainbow Effect The window film is basic without color, but it becomes colorful under the light and reflects a rainbow effect that fills the room with color. This self-adhesive and opaque window film is ideal for decorating windows and bedrooms. Privacy ProtectionPrivacy window film provides privacy and allows light to enter , enjoy daylight while keeping prying eyes away. Non-AdhesiveOur glueless window film does not contain glue and is made from environmentally friendly materials, preventing the release of chemical substances. Anti-UV Energy SavingRetain Heat in Winter and Keep it out in Summer;INSULATION: reduce heat transmission and block 90% of UV rays. Easy to UseThe privacy window film is easy to install and disassemble, just a few minutes. Spray soapy water on the glass when installing, squeeze the bubble with a credit card or scraper.