Who has the key to your heart? Show it off in a fun and unique way with our Heart and Key for Couples keychain. This personalized keyring set comes with a keyring and a heart keyring with a key cutout. The symbolism of these keychain couples is very strong. And to make this keychain even more special, you can not only engrave your desired name on it, but also select a birthstone crystal to add an extra accent! Couples keychains are very popular and you know you want to get this set!