Refrigerator magnet is a kind of craft gift with magnetic adsorption function made of metal, PVC soft plastic, resin, acrylic and other materials, and by adding soft magnetic materials. At first, refrigerator magnets were designed to decorate the surface of refrigerators. However, with the passage of time, the application of refrigerator magnets is no longer limited to refrigerators, but widely used in daily home environment, such as desks, doors, closets, bars and other locations. Moreover, with the continuous improvement of the manufacturing process, the refrigerator magnets can now even be conveniently attached to handbags, clothes and hats, and other portable items.