Elastic Cord, BlueViolet. Size: about 1mm in diameter, about 21m/roll. Elastic Crystal Threads are popular with jewelry and craft applications. Its flexibility is very good. You can use one or multiple to string the beads to be a bracelet or a necklace. Using it to knot is recommended. You can purchase the size what you want at our website. So buy this and Save 51% OFF 10 Rolls BlueViolet Elastic Cord for $7.49 @PandaHall