26 inch by 21 inch Oh No 30 SuperShape Foil Balloon. This balloon will be perfect for your 30th birthday party. Create a wonderful balloon bouquet by mixing this Oh No 30 SuperShape Foil Balloon with some of our solid color latex balloons. Be sure to choose some of our coordinating curling ribbon to tie it up with. So, take your party decorations up a notch by using this fun Oh No 30 SuperShape Foil Balloon.