Brighten up the room with these rainbow confetti balloons to create an amazing rainbow theme party! Clear happy birthday balloons are filled with coloured confetti pieces! To make the confetti stick to the sides of the balloons best, we recommend inflating the rainbow balloons with a mixture of helium and a good of puff of air! Combine with more of our rainbow party decorations for the ultimate birthday set up! Each pack contains 5 x 12" balloons | Ginger Ray Confetti Balloon - Happy Birthday