1. GLASS SAFETY : Anti-Collision Hummingbird Window Clings / Decals to Prevent Bird Strikes on Window Glass - Set of 12 Hummingbird Window Clings - Bird Deterrent for Glass Safety 2. SIZE & QUANTITY : This pack of hummingbird window clings contain 12 hummingbirds, 6x approx. 6” Hummingbirds, and, 6 approx. 7" Hummingbirds. Every Hummingbird window cling bird deterrent offers a colorful vibrant design. 3. SIMPLE TO USE : Simple to use, spray a mist of water on the glass, peel the window cling from the vinyl backing and place them on the window in any design you like, if you want to rearrange them, simply peel them off and move them around. 4. COLORFUL : Hummingbird clings are brightly colored on both sides. The bright colors of the window clings are visible both from the outside as well as from the inside. Apply them to the inside surface of the window. They are window clings so no adhesive is needed. 5.GIFT :It is a good gift for children, which enables them to DIY themselves and let them feel the beauty of nature from the flower stickers.