A sticker is a piece of paper or plastic with an adhesive backing that allows it to stick to surfaces. Stickers can come in various shapes, sizes, and designs, often featuring images, text, or patterns. They are commonly used for decoration, labeling, or promotional purposes. Stickers are popular among people of all ages and can be found on items like notebooks, laptops, and water bottles. They are often used in arts and crafts, as well as in marketing by businesses to promote their brand. Some stickers are removable, while others are designed to be permanent.