One 18 inch Colorful Balloons Centerpiece. This multi-colored cascading balloon centerpiece will add lots of pizazz to your party tables. This Colorful Balloons Centerpiece are a small way to decorate big. This centerpiece works for almost any colorful themed party. Birthday Direct has a terrific selection of party supplies, decorations, and favors for you to choose from at excellent prices. Be sure to check out our entire collection of coordinating party supplies and decorations.