What you can get: the package contains 18 pieces electrostatic stickers, enough quantity can meet your different needs, attractive design can offer a vivid feeling for your home window decorEasy to operate: first, clean the window with a duster; Second, spray a mist of water on the glass; Third, peel the anti-collision window cling from the vinyl backing and place it on the window in any design you like; Finally, remove the bubblesDouble-sided printed design: these anti-collision window decals are printed on both sides, which are visible from outside and inside, reversible as nice decorations; Simply place these window clings onto the window's inside surface for finishing the work, do not need adhesive, give you good using experienceWide range of usages: these anti-collision window clings are good to prevent birds and people strikes from hitting windows, practical tools in daily life; Each decal is approx. 20 x 30cm/ 7.8x 11.8 inch, proper size for using on glass panels, patio sliding glass doors or bay windows