Just a "Heads UP" on the folding-twisty ones... Yikes...heheh..
I say that having gone through 3 of them and never really getting the closing/folding up thing right. Once you bend the stays, it's toast.
They are great, storing size-wise and setting up, they almost "Pop-up" themselves, but closing up???.. heheh.... I hope you have better luck than I had. Probably more of a conceptual thing for me in trying to figure it out and obviously not getting it right. Turning left instead of right or on top instead of bottom, whatever, good luck.
I finally got a beer, sat back and watched several others try it for some 30-min without success (could have been the bend stays thing).. very entertaining though..