Simply spray a mist of water on the glass, Anti-bump glass stickers glass sticker off the plastic film and apply the smooth side to the glass. These Anti-bump glass stickers are transparent before installation and will reflect colours in the sunlight once installed, creating a rainbow of colours in the room.
Stick them on the outside of the window/glass to better eliminate reflections.
If the Anti-bump glass stickers been applied for a longer period of time, we do not recommend peeling them off and reusing them.