What you will get: you will receive 6 pieces hummingbird decals in 6 different styles, each sticker offers a colorful vibrant design.Proper size for using on glass panels, patio doors or bay windows to help prevent bird strikes on window glass. Double side printed: hummingbird clings are brightly colored on both sides; The bright colors of the window clings are visible both from outside and inside; Apply them to the inside surface of the window, do no need adhesive. Convenient and reusable: step 1, clean the window with a duster, step 2, spray a mist of water on the glass, step 3, peel the hummingbird window cling from the vinyl backing and place it on the window in any design you like; If you want to rearrange it, simply peel it off and move it around. Material: bird anti collision window clings are made of quality non adhesive vinyl clings with duplex printing, which are durable, non-toxic and no bad smell.