This necklace set is layered and features different-sized chains with asymmetrical beads and different details and adjustable lobster clasp closures. This necklace set comes in multi color. Adjustable between: Single chain: 35 cm/ 13.78 in. up to 40 cm/ 15.75 in. Double chain: 43 cm/ 16.9 in. up to 48 cm/ 18.9 in.