Use these toggles to attach a race number bib to your SPIbelt. No more safety pins ruining your running clothes! This pack includes 2 pairs. Use your second set for a future race or give to a friend! How to use: Squeeze plastic toggle and remove black cord. Loop one end of cord around belt. Insert one end of cord through hole on bib. Squeeze toggle and insert both ends of cord into toggle hole. Repeat on the other side.