4 cm Shelf Magnet is a specially designed type of magnetic label with a wide range of applications in the retail and commercial sectors. It usually contains strong magnet materials, especially NdFeB, and is combined with a durable magnetic base that can easily bond to metal surfaces. This magnet with a shelf width of 4 cm is used in retail stores, supermarkets and other commercial environments with its flexible design and various features. Important features of the 4 cm Shelf Magnet include ease of use, durability and suitability for a wide range of applications.