【Stable Construction Office Chair】The solid 5-point base with a smooth-rolling caster's base ensures the stability of the computer chair and gives you smooth and quiet mobility. Casters can swivel 360 degrees. 【Adjustable Height Office Chair】Move your seat up and down with ease using the simple pneumatic mechanism of this beautiful desk chair. A slight pushing of a control bar will let you choose your favorite seat height and make your desired posture while working or having rest. This home office chair is number one in providing you with comfort at all kinds of workplaces like home or company's office, conference rooms, hotels, lobbies, and receptions. 【Ergonomic Office Chair】The backrest of this office computer chair is tall and shaped to follow the natural curves of your spine to ensure your basic lumbar support. You can also increase or reduce resistance in the chair's rocking mode with a help of a tilt-tension knob located under the seat. A stylish mesh cover adds necessary breathability and easy maintenance feature to this ergonomic chair. 【Maximum Comfort Office Chair】Optimize your sitting comfort with our wonderful executive office chair. Wear-resistant materials coupled with soft padding of the seat and well-ventilated backside will make it possible for you to spend hours in this sitting device, being fully focused on work with no discomfort feelings that can drag your attention away. 【Easy to Set up Office Chair】 Our office chair comes with all hardware & necessary tools. Follow the desk chair instruction, you'll found easy to assemble.