 This. Oh, just this? This. Oh, okay. Is 90 inches in diameter. I've asked this one before. Like I said, I dove back into the vault of questions. What is 90 inches in diameter? Good morning, KSRM. What a hula hoop. It is not a hula hoop. It's probably my waistline after Thanksgiving dinner. 907-283-5811. This is 90 inches in diameter.