White Anti-Collision Window Stickers: Hummingbird anti-collision window sticker 1 set consists of 4 sheets with a total of 16 white birds in different sizes and shapes, each bird is about 12-15cm in height, enough to meet your different needs, can be placed freely, can also be used as window decoration, it is a practical tool in daily life Warning Sticker Decoration: Bird anti-crash window stickers are window decoration warning stickers to prevent birds from dying by hitting the window or glass as much as possible. When used, the closer the sticker is, the denser the warning effect will be, the better, can prevent birds and pets from hitting the window. PVC Static Cling Film Material: Our bird repellent window stickers are made of PVC, double-sided white printing, with electrostatic adsorption, strong adhesion, no need to use glue, easy to stick, even after a long time of use can be maintained in perfect condition, you can insert and peel it at any time. to take a nap, etc. Easy Application: First, clean the window by wiping; second step, spray water on the window; third step, peel the sticker off the backing paper; fourth step, stick the pattern on the window; finally, use a card or finger to remove air bubbles. If you want to change the position, simply peel it off and repeat the above steps to place it in the desired location Multiple Applications: Our bird repellent window stickers are not only suitable for windows, but can also be applied to glass doors, patios, car windows and other smooth surfaces. The double-sided white design of the anti-bump sticker not only prevents birds, but also draws the attention of family members and pets to the glass and other obstacles