21st Birthday is as imprtant as any other first. Our vivid Round Multicolor Balloon with printed text is sure to charm her/him. Make your party a little more colorful by adding this Round printed Birthday Balloon to the rest of the balloon bouquet. Comes uninflated in 18inches and is reusable & self sealing. To inflate it with helium please visit your closest Wanna Party store or contact any helium gas provider near you.