Material: Stainless steel, Beads, 18K Gold plating. Closure Type: Lobster claw. Inserts: Rhinestones. Necklace Length: 40.5 + 4.5 cm. Pendant Size: 0.7 x 0.7 cm. Jewelry is waterproof and hypoallergenc. The plating is long lasting and tarnishing-free.