A shelf stopper is a piece of shelf communication attached to a shelf in a shop aisle. It is designed to attract consumers' eyes and attention. It helps to distinguish a particular product on the shelf. It can be made of cardboard or plastic and have a backlighting. It is used as a vehicle for various information such as: price, promotions, and new products. 

Its main advantages include: 

• small size (can be used in small spaces), 
• ease of self assembly and disassembly, 
• low price.