Three window clings per package. One is of the American Flag, in all its glory displaying the red, white, and blue colors proudly, two clings that read USA with a red and a blue star. Clings are made of a thin plastic material. They are removable, and they use static to help hold them in place. It will stay on any smooth, flat, clean surface like glass or a mirror. It's an actual sticker, so it won't leave a sticky residue behind. No tape or adhesive needed. 12in. x 17in.