Please be know that before installation:
1. This window film only works on smooth, clean and flat glass doors and windows. Double pane glass, frosted glass, cut glass and all of the processed glass is NOT workable.
2. As outdoor wind and sun are easy to fall off and damage this film, so it is installed inside of the window or door.
3. Advise to cut the film to a size of 2-3 cm from the window frame to avoid falling or curling.
4. Make sure to tear off the protective film ( transparent film) before installation,the side of transparent removed film toward the winow.
5. Spraying enough water (soap water will be better) is the key point, water makes it easier to smooth out the air bubbles, if spray too much water result the film sliding, please scratch out the water in time until ithe film not sliding.
6. When stick it, please ensure the spare 2-3cm film is on one end(not on two end), after sticked the film on the window, fold the spare film,use a ruler or other long stright thing press the spare film,will get a obvious line, then, trim spare film follow the line.