Double BFF Infinity Symbol Keychain Gift Set Best Friends Forever- You and Me for Infinity; Couples Keychain BFF Gift Keychains, Small Infinity charm with small engraved BFF Keychains packaged on a card that says "You and Me For Infinity!" Best Friends Forever Keychain Gift, 2 keychains Size: The infinity charm is about 1 inch long. Net Weight: About 20 g. Metal: zinc alloy; Color: silver tone with black accents.