A bumper sticker is an adhesive label or sticker with a message, intended to be attached to the bumper of an automobile and to be read by the occupants of other vehicles - although they are often stuck onto other objects. Most bumper stickers are about 80 mm by 300 mm (3 in by 12 in) and are often made of PVC. Bumper stickers can be commercial, religious, humorous, or in support of a sports team or other organization. They may promote or oppose a particular philosophical or political position. Bumper stickers are a popular way of showing support for a candidate for a government seat and...