You won't even need candles on the cake with this 30 Gold Number Balloon Cake Topper. It is a gold balloon "3" and "0" on stands and each one measures 9" x 3.75". They can be combined with any of our other party supplies. Cake toppers are self-inflating and do not require helium. With wholesale pricing and bulk quantities, our 30 Gold Number Balloon Cake Toppers 24 ct are perfect for event planners, caterers, and home hostesses alike.