Before purchasing these 16 inches or 40 inches gold helium balloons it is very important to understand the sizes. The right size of letter balloons will make a huge different for your party. For small area decoration with long name or long words it s better to pick 16 inches letter balloons. In reverse if you are planning an outdoor event or planning on decoration of a large area with short word e.g AMY LEE SCOTT you might be considering using 40 inches letter balloons. Do you have any idea how large area you are going to decorate? Use the drop down menu to pick the right size and letters or numbers.