Waterproof necklace, water resistant in 18k gold plating stainless steel or without plating. The pendants, star and moon, are all 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 40 cm to 45 cm. The chain A in the silver version is slightly thicker than the one in the gold version.