RAINBOW WINDOW STICKERS: 7 moon phase anti-collision window stickers, covering an area of approximately 3-6 inches (7.5-15 cm), capture sunlight and transform it into brilliant rainbows throughout the room. PROTECT BIRDS: The unique rainbow glass prism effectively reflects sunlight, deterring birds and preventing them from hitting the glass. QUALITY MATERIAL: Made of vinyl, translucent, not easy to tear or crease, easy to stick on windows or sliding doors. EASY TO USE: Sticks using an electrostatic method, no glue or adhesive required. Easy to apply and remove without leaving any residue. Can be used repeatedly. WIDE APPLICATION: It can effectively deter birds from hitting it, and can also be used as a decorative element to refract colorful sunlight. Suitable for the kitchen, dining room, living room, lounge, etc.