This Sterling Silver 3 Stone Birthstone Key Charms Mother's Necklace is an exciting twist to the lock and key design where you hold the keys by your heart. This cute, high quality necklace features 3 heart shaped keys attached to a 14, 16, 18 or 20 inch chain that can be customized with a birthstone of your choice! This necklace makes a great best friends necklace, couple's necklace, or mother's necklace. Simply add the birthstone of your loved ones to show the world they have the key to your heart! Personalize this custom birthstone key necklace for valentines, an anniversary, or any day just to show you care. It also makes a great gift for yourself.