Question: what are the macy day parade balloons filled with?
Answer: Giant balloons rack up at least $510,000 in helium costs Each balloon in the Macy's Thanksgiving parade uses 300,000 to 700,000 cubic feet of helium. Filling every balloon costs a minimum of $510,000. Each helium-filled giant requires 50 to 90 volunteer handlers, but sometimes that still isn't enough.