AIR FORCE Engraved Blue Crystal Rhinestone Embellished Heart Earrings. From the Heart AIR FORCE Blue Crystal Rhinestone Embellished Heart Earrings Heart Earring is approximately 1 1/2 inches long & 1 1/4 inches wide. Air Force is engraved in the Center Show Pride & Support or Service your Loved One in the USA Air Force!! Gift Boxed