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by Julie
(Shropshire)
What size bubble is best to hold 6 X 5" inside and have a collar of 4?
Answer:
Hi Julie,
Most balloon professionals use 24 inch bubble balloons to fill them with 5 inch balloons. I've uploaded two example images.
You could also try with an 18 inch clear balloon, and inflate the 5 inch balloons to 3 or 4 inches only.
Hope that helps!