This lovely necklace and earrings set is made up of smooth round black onyx beads. The necklace greaduates from 6 to 14 millimeter and the earrings are an 8 and 10 millimeter round bead. The 18 inch long necklace closes with a silver lobster claw clasp and the earrings measure about 1-1/2 inch long in total including the silver hooks.