Matching set: Features a unique design with a key that slots neatly into the heart - a perfect match for the perfect couple! Heartfelt message: Engraved with the messages 'you hold the key to my heart' and 'forever'. Material: Made from stainless steel Couple's keyring: Get a couple's matching key and heart keyring Dimensions (heart): 28mm x 23mm x 20mm Dimensions (key): 30mm x 17mm x 20mm | Couples Matching Key and Heart Keychain - Silver