Design a special memento to represent those closest to your heart. The 18K Gold Custom Bubble Heart Necklace features a three-dimensional heart charm with the option to add 1-4 engraved letters of your choosing. Add the initials of each of the members of your family. you and a few loved ones. or even just your own - the options are endless. Better yet. this piece is crafted with 18K Gold. meaning it'll last you a lifetime.