The most important furniture or accessory in an office is the chairs since that are where the person will spend the most hours performing an activity or task. Ergonomically adequate Office Chairs will guarantee satisfactory and effective results, as well as protect the health of the person using it. They are chairs with the height-adjustable seat, which will allow the person to be in the best position in front of the table. If the seat is too low, the lower back will suffer from a bad position, but if the seat is too high, the vertebrae and muscles of the dorsal and trapezius will suffer. Also, the seats are wide enough so that the person can sit in the center of the seat and have space around it. The front of the seats is tilted down so that it does not adversely affect the back of the knees. The back of the chairs can adjust to the back of the person using it and become a support for the lower back. They are chairs that are designed to regulate their firmness and their fixation or mobility depending on the number of hours the person will be on it. Some include a headrest at the top of the backrest, which will allow the person to shed the vertebrae of the dorsal. Other parts that have Office Chairs are the armrests that allow a comfortable posture; The base, which usually has five support points, comes with wheels for better mobility within the office and the upholstery is made of a 100% breathable material and strong enough to guarantee its continuous use. All the models of the Office Chairs that you will find are models adjustable to the physiognomy of anyone who uses it.