These window clings are manufactured with PVC material for supporting a long term use. Not only anti-collision window clings, but also beautiful window decorations. Easy to tear and paste, this window cling is practical and convenient to use. Features -Color:White -Material:PVC -Size:11.50X11.50X0.10cm/4.52X4.52X0.04in -Size:8.00X8.00X0.10cm/3.14X3.14X0.04in -Size:6.00X6.00X0.10cm/2.36X2.36X0.04in - Featuring static installation method, these anti-collision bird window clings are easy to install, very convenient and easy to remove. - Made of PVC material, anti-collision window clings are waterproof, and not easy to tear, can be used for a long time. - These delicate pattern window decal clings can be used to decorate your window of the living room, bathroom, bedroom, or office. - Also, these black window clings can effectively warm the bird about the window, to prevent them from colliding into windows. - The window clings are of enough quantity and can be cut into any size to meet your different needs. Package list: 4 pcs x 1 × Set of Anti-collision Window Clings