Make celebrations sweeter with our Rainbow Birthday Sweets Double Stuffed Sphere Balloon. Measuring 18 in when fully inflated, this double-stuffed sphere balloon contains a foil cake shaped balloon and a clear sphere balloon with sweets designs – great for your birthday party. Inflate this double-stuffed balloon according to the assemble instructions. Then, just tie it down to a piece of furniture or mailbox to let everyone know where the party is located. Find more ways to celebrate in super sweet style and shop the rest of our birthday party supplies.