Designed for convenience and efficiency, magnetic race bib holder offers a simple solution for attaching your race number. To use, place the magnetic clip on the corners of your bib and position them on your running shirt. The will hold the bib securely, even during intense physical activity. This innovative product eliminates the need for traditional pins, making it a must-have for marathon participants. Features -Color:Black -Material:Plastic -Size:1.80X1.80X0.20cm/0.71X0.71X0.08in -Quick attachment: the magnetic buckle system enables quick and effortless attachment of race numbers, saving you time and hassle - : with its magnetic hold, the race number stays firmly in place, reducing the risk of it falling off during your run -Comfortable wear: this running fix holder is designed with lightweight materials, it ensures a comfortable fit without adding extra weight, enhancing your running experience -Multipurpose: ideal for marathons, this race bib holder is also ideal for other outdoor sports like cycling and general running activities -Durability: made with plastic materials, this product is built to last and can be used repeatedly Package list: 4 x magnetic bib holders