Bubble balloons are a different category of balloons. There are the single bubble balloons, the double bubble balloons & the deco bubbles - clear balloons. They can be inflated also with helium, they don't need hi float and they float for many time. Recently similar to deco bubbles we have the Aqua balloons. They existe to 18" & 24" with valve and without. They also dont need hi float in order to fly for many days.