I have not taken this out of the box, so it needs to be assembled. It is very easy, and if you wish, I would be happy to assemble it myself for you. Cost $78. Here is what it says on the box -

2 in 1 style with a detachable backrest
8 level of seat height adjustments
Overall Size:20”×12”×15”- 23”(L×W×H)
Weight Capacity: 300 lbs
Suction-cup tips on all four legs for non-slip