Custom Made 45mm Diameter (1-3/4") Magnets. These custom made badges are a far cry from the usual flimsy fridge magnets handed out by your competition. Our fridge magnets are a high quality badge with a tough magnet backing, a custom made magnet that any client or customer will be proud to display. Our custom made magnets are perfect for holding paperwork, photographs, or brochures to a fridge, filing cabinet, or any other metallic surface.