My kids LOVE these. While they aren't cheap and you need to buy at least two - what's the point of having one - who will you fight? My kids use them on the trampoline. Unfortunately I bought these a few months ago and most recently gave my kids a birthday present - one had a pin hole and didn't stay inflated - had to throw it away - too late to return it. They're a little flimsy in vinyl and I doubt they'll last long. But children enjoy it, even if it is short-lived. We have also given them to friends as gifts (bought two to give one as a gift) and the kids who got them LOVE them. Also, keep them away from dogs! They like to bite them. Follow-up - after a few uses and about 2 hours of continuous use by my daughters and her friends, our remaining two burst - one only split on the side, the other kind of holed. The girls fought each other, that's the whole point of this toy. Although I would say they love it very much, I would not buy another set. Too expensive (as there is only one in the box and you have to buy at least 2) to be a disposable toy and when I throw away I feel guilty for throwing away so much plastic/vinyl. They didn't last 3 months - and with minimal use. It's a shame because it could have been a great product if the quality had been better. I just saw that there is another product - the same concept from Jackhammer, available from Revain - and you get two for $28. . Not sure about the quality but worth a look! Inflatable Bumpers - Jackhammer Bumper - Pack of 2 Giant 36" Inflatable Bumpers
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