Gold Tone heart lock with key pendant hangs from gold tone chain necklace. Cute and lovely necklace， especially the lock can be opened and locked by the key. The lock really works to lock your secret. Length of chain: 48cm (approx. 19 inch). Size of charm: 4 x 3 cm (approx. 1.6 x 1.2 inch) for the lock， and 2.5 x 1.3 cm (approx. 1 x 0.5 inch) for the key