The chair is attractive and the wheels roll smoothly. For comfort, additional support is required, if using for extended periods, such as working. Update: it's been about 5 months of daily using the chair and it's being put out. It's completely uncomfortable. There is no support for your back and without arms, the issue is magnified. The chair is pretty. Still is. The hydraulics no longer function. It will go up but comes down with any amount of weight. The wheels are still smooth. In the pic, of the cylinder,  there is a cap that pops on for aesthetics.  Its very noisy, clamouring against each other; an unsettling jangle with every move, chrome is not melodic. Customer service was very helpful due to the hydraulics issue and so the chair, as pretty as it is, must be discarded.