Could you even fit 90 candles on a cake? That might set off the smoke alarm. So instead, use the 90 Gold Number Balloon Cake Topper. It is a gold balloon "9" 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 90 Gold Number Balloon Cake Toppers 24 ct are perfect for event planners, caterers, and home hostesses alike.