The AmazonBasics office chair is very stable, easy to assemble and holds with hundreds of kilos of possible exposure from every single time. The structure is simple, the user instructions and the parts are carefully selected so that no one have to have to be overwhelmed anxiety. I've done it and I am technically untalented so, how it can be. The rollers are smooth, no matter whether smooth floor or carpet. However, should be noted here that the rollers can scratch the floor with parquet or laminate. For but one other Rollenset is available that is not included and must be purchased separately. The seat is quite comfortable and can be adjusted well. Unfortunately true of the backrest not, although in the description, the chair would be fully adjustable. Here are just a margin of a few centimeters is available, if you adjusted the seat and backrest together. I've had enough, I'm sitting at home not so long at a desk, but who uses the chair for longer, must be in business when I harder. I like the chair very good and for the use of free time, I would highly recommend him. Those looking seriously a chair for the office, thereof one must be aware that the backrest is rigid. There are people who do not mind, I guess because more setting.