The portable tool to size latex balloons at any increment, With a quick turn of a pole, the feet slide to create any size template. To use, inflate a balloon with air or helium, then let out gas until the balloon diameter matches the template.
Other uses for the balloon sizer:
Double-stuff balloons quickly on the upright sizing poles.
Set/confirm auto-sizer timing.
Use as calipers to measure replacement balloon size in arches and sculptures.