The chair overall is decent. Thr seat is a bit hard for my bottom. It was decent to put together and took me about an hour. The rollers are quite stiff and it requires me to use some strength to push away from the desk or move side ways. The tilt option is difficult for me but i don't think its the chairs fault. I'm only 5'2" and I don't think my legs are long enough to have the angle to lean back.
Pros: seat wide enough to fit my buttox, the back is high enough to lean your head on, and it fits comfortably under my desk. The frame that holds the wheels I place is all metal and is durable
Cons: the seat is very hard and at times uncomfortable and the seat feels like it leans forward instead of cupping you backwards slightly, the wheel rollers are sorta useless and do not glide very well, and the cord for the vibrating Lumbar Cushion is WAY to short. You need to be very close to a plug for it to reach and it pulls out of the wall if tou roll back to quick or to far.