Super Strong Magnetic: This powerful magnet can hold at least eight sheets of A4 paper on a metal surface. For additional holding capacity, simply add more magnets. It can be attached to refrigerators, whiteboards, or pegboards to display photos, postcards, and more. (Note: Not suitable for glass panels.) Stable and Durable: This fridge magnet features a triple-layer coating of nickel-copper-nickel. The nickel plating ensures a smooth, corrosion-resistant, oxidation-resistant surface, enhancing strength and significantly extending service life. Mini and Portable: Each of the 12 magnets measures 12mm x 16mm, making them compact and space-saving. Their small size allows for easy portability and convenient use anywhere. Multi-Functional: This magnetic board magnet is versatile and ideal for organizing cards, photos, postcards, keys, scissors, jewelry, clothing accessories, and other small metal items. Perfect for everyday organization. Widely Used: Suitable for use on magnetic boards, whiteboards, pegboards, refrigerators, and other magnetic metal surfaces. Ideal for home, office, and school environments.