Bests & Worsts Reviews from Amazon

I ordered this ball chair plus two others (same brand) and got three completely different sized balls . . . so far. I have inflated all three and will wait the suggested 48 or so hours to see if they "stretch" to a usable size. At this point, only one out of the three appears that it will be large enough to actually use as a chair. This ocean-colored one (on the right in the pictures) is by far the smallest, with the purple (on the left) being the largest and looking like the advertised pictures. Two stars (instead of one) for being very easy to assemble, no missing or bent parts. Time will tell if these will actually work for us or if I'll have to go through the return process . . .