Hold open the mouth of the balloon and add as much confetti as you would like. It works best if you put the confetti in a bit at a time. This will allow it to have more static and stick to the sides of the balloon.
Fill the balloon with helium, knot and attach to ribbon. Shake balloon as needed to spread the confetti evenly.
Tip: If using pre-cut tissue confetti, be sure to touch each piece of confetti before putting into balloon. The static electricity helps it stick better to the balloon.