Give your big party a personalized presentation with Silver Alphabets Letter Balloons Select the Letters from the collection of metallic balloons features every Letter from A to Z, so you can mix and match to form any Name. Whether you& 39 re celebrating a big birthday, graduation or anniversary, these shining Silver Letter Balloons are perfect for your celebration. Mix and match with coordinating foil and latex balloons, balloon accessories, solid color tableware and other party supplies for a custom party theme.