Made from PVC material for supporting a long term use. Not only anti-collision window stickers, but also beautiful window decorations. Easy to tear and paste, this sticker is practical and convenient to use. You can easily stick them on glass windows. Features -Color:Assorted Color -Material:PVC -Size:16.70X11.50X0.10cm/6.56X4.52X0.04in - These stickers can be adhered to glass materials such as glass doors, courtyard doors, sliding glass doors and Windows through electrostatic interaction. - Simply place these window decals onto the window's inside surface for finishing the work, do not need adhesive, give you . - 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. - It can be applied to home, or office windows, not only decorate your window but also make birds notice the window. Package list: 23 x Sheets of Window Decals