RAINBOW WINDOW CLINGS: The 3D window film itself is colorless. However, with a special 3D design, it will display a colorful visual effect when sunlight hits the film after installation. CLOUD-SHAPED FILM: The package includes 8 films in two sizes: 15 cm wide and 18 cm wide. Each design is completely unique and printed with a slightly translucent finish to catch the sunlight. STATIC ADHESION DESIGN: Static adhesive design, super easy to apply and remove without any residue or damage to the window surface. Also, it can be reused if it is not damaged or stained. BIRD DETERGENT ALERT: The rainbow window sticker will reflect sunlight to create a colorful visual effect, so the window stickers will deter birds from hitting doors or windows. EASY APPLICATION: These decals are static cling. Simply peel off the clear backing paper, spray a little water on the glass surface, and stick the decals to the glass. It is recommended to apply them outdoors.