Cats Eye Necklace, blue cats eye(fiber optic glass) beads and faux mini pearls on 49 strand nylon and stainless wire, silver-plated "pewter" (zinc-based alloy) lobster claw clasp and adjustable links to 15" **** FUN FACT: Fiber optic glass cat's eye beads get their name from the way they refract light, resembling the oblong center of a cat's eye