WET: Always start with a very clean surface. Wet surface with soapy water (1 drop of dish soap to an 8oz. glass). Remove backing and apply sticker to wet surface. Position and smooth. Use towel to remove excess water and air dry for 30 minutes. DRY: Always start with a very clean surface. Remove backing and hold sticker on left and right sides bending center toward clean surface, being caferul that the sticker is horizontally level, apply center first and allow sticker to roll out left and right. This will ensure a wrinkle free application.