Our glue-free window sticker is made of safe material, and practical, which can serve you for a long time. You can use decorative window sticker to protect birds from crash into windows. You can also use it to decorate your office, conference room, or living room. Features -Color:Multi -Material:PVC -Size:15.00X11.10X0.10cm/5.89X4.36X0.04in - Each bird anti-crash window sticker provides a vibrant design for your window decoration. - Each window cling features special material to reflect sunlight and serves as a glowing warning sign for birds. - It can not only be used as a , but also act as a great home and office decoration. - You can choose the right position according to your needs and paste the position, enough to decorate the wall more beautiful. - Wide range of application: can be attached to the glass panel, sliding door, porch door or balcony. Package list: 4 x Window Cling