As seen in video
9", 11" or 12" x 140 inflated with 7"/17 pumps of air
2 balloon stands
2 weights for stands (water bag or 10lb fitness weight)
Curling ribbon or fishing line
Another option
9", 11" or 12" x 156 inflated with 7'/17 pumps of air
2 balloon stands
2 weights for stands (water bag or 10lb fitness weight)
Curling ribbon or fishing line