What you will : you will receive 6 pieces Bird decals in 6 different styles, each sticker offers a colorful vibrant design. Size: the size of each Bird sticker is about 6 x 7.8 inch, proper size for using on glass panels, patio doors or bay windows to help prevent bird strikes on window glass. Double side : Bird clings are brightly colored on both sides; The bright colors of the window clings are visible both from outside and inside; Apply to the inside surface of the window, do no need adhesive. Convenient and reusable: step 1, clean the window with a duster, , spray a mist of water on the glass, step 3, the Bird window from the vinyl backing and place it on the window in any design you like; If you to rearrange it, simply 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 smell. How to use: Step 1: clean the window with a duster. : spray a mist of water on the glass. Step 3: the Bird window from the vinyl backing and place it on the window in any design you like. size:15 x 19cm Material:PVC colour:color Package Contents: 6 x Birdanti-collision window clings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.