Custom Made Badges with Magnet Fastener – 57mm (2-1/4") Diameter Looking for an alternative to pin badges? Check out our custom made badges with magnet fasteners. These cool badges can be produced in a design of your choice and are perfect promotional tools for sports clubs, schools and fundraising. Magnet fastener badges are a safe alternative for children who have concerns over pins. The back of the magnet slips easily inside clothing and clamps tight once aligned with the badge. A lack of pin means no damage to delicate clothing or expensive uniforms with repetitive removal of the pin.