Product Overview: 30 Pcs magnetic pin backs for Enamel Pins Product Function: Turn your enamel pins into refrigerator or whiteboard magnets, Swap out pin back for magnets and push pin into our holder Great Material: The magnetic pin back is made of rubber, so that the magnetic needle back will not cause any damage to the needle surface and will not fall off Versatile Use: Display your pins on any surface that magnets can adhere to for seasonal decorations, gifts or creative displays Easy to Install: Please remove the original pin back and slide the new one over each pin, The Enamel needle can be directly pressed into the back of the needle 30 Magnetic Pin Backs for Enamel Pins (Black), Converts Pins into Refrigerator Magnets & Put Your Pins on Fridge for Seasonal Decorations And Gifts, Enamel Pins Not Included