This necklace set is layered and features different-sized pendants, sea shell details and an adjustable lobster clasp closure. This necklace set comes in gold-color. Adjustable between: Single chain: 38 cm/ 14.96 in. up to 43.5 cm/ 17.12 in. Double chain: 44 cm/ 17.3 in. up to 49.5 cm/ 19.5 in.