Document Description[Material] - The bracelet spacers are made of brass, which is durable and will not break or deform. The surface is smooth and not easy to fade, which makes it look more beautiful and has a long service life.[Round Flat Design] - The beads are round and flat in shape and come in a variety of different sizes. They can be seamlessly connected with your bracelet beads. They can be used with gemstone beads, letter beads, pearls or other beads to create your personalized bracelets