<p>ENJOY YOUR SEAT, ENJOY YOUR WORK! Grace & Grace Professional Office Series, the fantastic comfortable chair is designed to delight your rigorous daily work! Guaranteed satisfaction, you may contact us and get FREE replacement if any quality problem within 1 year.</p> <p>Designed for comfort and stylish, the Swivel Chair with ergonomic backrest will help you to go through a busy day with high productivity. Easily adjustment for the seat height, the backrest depth and backrest tilt, move with you smoothly from here to there in the room, this chair is perfectly fit for Office, Computer, Lab, Workshop, Classroom, etc. Superior parts and craftsmanship allows for daily usage of up to 400lbs of weight. </p> <p>Grace&Grace are top manufacture at China specialized in advanced Office and Home furniture, and our products have been exported to US, Europe, Japan and Australia for decades with pretty good reputation. We are dedicated to provide our customers the professional solution for quality life, and we expect you have the most rewarding experience at purchasing and using our products.</p> <p>*Product Specifications</p> <p>Seat Diameter: 16.6"*17.7" </p> <p>Seat Height: adjustable from 20.4” to 28.3” </p> <p>Weight capacity: 400 pounds </p> <p>*Caution</p> <p>Please remove the black plastic cap on the cylinder before assembly, which is part of the packaging only and no impact to the functionality of the cylinder!  </p> <p>*Customer Service</p> <p>One Year Warranty</p> <p>Please contact us before return if any problem or support needed. We are committed for the best customer service!</p>