A sticker is a type of a piece of paper, sticky on one side, and a design on the other side. Sticker can be printed in different shapes, sizes and colours. Stickers are widely used when an object requires some identification. Stickers are attached to products to containing information about the product such as date of manufacturing, expiry date, and price. Sticker can also be used to describe the basic features of the product. A sticker may of paper or vinyl depending upon the product.