This stretch bracelet features 10mm matte black onyx, polished onyx, and lava stone beads accented with three genuine 10mm sterling silver Bali beads and a "Bali Beads" logo anchor bead. Select your bracelet size from the drop down menu. As a general rule, add 3/4 inch to your wrist measurement. We use 1mm silicon stretch cord for greater strength and resilience. Your bracelet comes in a bracelet box.