One 18 inch 1st Birthday Boy Foil Balloon. Balloons are a must for any birthday party, and this one is perfect to help celebrate your little boy's 1st birthday. You could tie this balloon to the guest of honor's highchair, or put it with our coordinating latex balloons to make a giant balloon bouquet. This is just one of the many wonderful discount party decorations and favors that Birthday Direct has to offer. Please note that the balloon does not ship inflated.