The anti-collision window cling is good to prevent birds and people strike from hitting windows, practical tools in daily life. With this glass sticker, you can change the style of the glass Windows in your home. It can be changed at any time to add art to your room. Features -Color:Assorted Color -Material:PVC -Size:30.00X20.50X0.10cm/11.79X8.06X0.04in -The window sticker will reflect sunlight to create a colorful visual effect, therefore, the window stickers will prevent birds from hitting on doors or windows -You can place the decals on everywhere made of glass materials such as windows, doors and so on to make your place a rainbow room. -Window sticker keep birds from hitting the door or windows. Effectively protect the safety of birds and animals. -The decal doesn't actually have bright color, but some bight color can be seen after capturing sunlight and turning them into a rainbow across the room. - window decals apply to glass panels, patio sliding glass doors or glass windows to prevent bird strikes. Package list: 3 x set of anti-collision stickers (2 Sheets/set)