RaceDots® race bib magnets are the patented, colorful alternative to safety pins, made with two magnets that lock together to hold your race number in place without damaging clothing.With triple plating and a 10% increase in diameter, the back is even stronger and much easier to handle. If you have a nickel allergy we can offer epoxy-coated ring magnets! Just e-mail us to find out more: info@racedots.com Please be sure you make your selection from the drop-down menu, the pictures to the left are for viewing details only and do not reflect what goes in your cart - you much choose from the drop-down menu. Select designs will be on sale until they are no longer available, please select a product from the drop-down menu for exact pricing.