Protect ClothingCompared with using safety pins to secure the race number straps, magnetic race number clips have no sharp edges and are safer to use. This can prevent damage to clothing and ensure that athletes are safer when running. Lightweight and ComfortableThe magnetic buckle of the start number holder is lightweight and weighs almost nothing to carry, so you don't have to worry about it affecting your speed. Allowing you to run your marathon without any distraction. Magnetic DesignMade of plastic and magnets, it has strong magnetism to ensure that the race number can be firmly fixed on the clothes and is not easy to fall off when running. Can be used repeatedly. Easy to UseThe magnetic race number holder is simple and practical. Simply split the magnetic buckle in half, align it with your race number plate, and put the two halves together. It is more convenient than a paper clip. Wide ApplicationThe magnetic buckle of the start number holder can be used not only for marathon numbers, but also for other items, such as tissues, and can also be used as refrigerator magnets and blackboard stickers.