Waterproof necklace, water resistant in stainless steel 18k gold plating or without plating. The star and moon pendants are all made of natural freshwater baroque pearls, so each piece is different from the other, they are all unique pieces. With lobster clasp and adjustable necklace length from 40cm to 45cm. The A-chain in the silver version is slightly thicker than the one in the gold version.