The stickers work best on flat surfaces. They will stick to walls with an orange-peel texture, but stucco, brick or other heavy textures aren’t recommended, according to Seale.

The NYPD has ordered cops across the city to remove any unauthorized stickers or posters on department vehicles and stationhouse walls.

Disney has added posters and decals to the construction walls at the edge of Cars Land in Disney California Adventure. Cars ...