Description Manufactured with safe material for supporting a long term use. Not only anti-collision window clings, but also beautiful window decorations.Easy to tear and paste, this product is practical and convenient to use.You can easily stick them on glass windows. Features -Color:As Shown -Material:PVC Film, PET Film -Size:18.40X12.80X0.10cm/7.23X5.03X0.04in - These stickers can help birds identify the glass and reduce bird collisions. Protect birds effectively. - You can also put them on glass doors to remind people and pets not to bump into them. - Simply place these window clings onto the window's inside surface for finishing the work, do not need adhesive, give you good using experience. - They can be used inside and outside your Windows. Meet your different needs, very convenient to use. - Just peel off the back and apply it to the glass window. No glue is needed. Removable and practical. Package list: 6 x Window Clings