I was using a simple fold up chair before and this is a significant improvement. It's comfortable to sit in for long periods of time. Sturdy and function. Importantly it has two essential features: height adjustment and adjustable arm rests. I've had improper ergonomics for a while which led to "mouse shoulder" in my left arm to the point I was injured and could barely lift my arm. It was starting to creep into my right arm too (I switched from mousing with my left to right). Being able to rest my arm on the arm rests has really helped. I didn't realize how much weight your arms have and how much stress that can put on your shoulders. Delivery was also fast helpful since I don't own a car. Overall would highly recommend if you need a chair upgrade.
Just put the chair together. Missing 1 long Yellow screw for the arm rest. We got 3 long yellow and 3 short yellow We were supposed to have 4 long Yellow and 2 short Yellow. One arm rest is missing the Long Yellow screw.