Please make sure that you can see that "Artisan Furniture Warehouse" is after "sold by" when you add this chair to your cart, that is, we are the seller: Artisan Furniture Warehouse which is the authentic store and in the packaging box , there is the Brand: Artisan Furniture Warehouse. Our chair is well made and has the warranty. Other unauthorized sellers who are not "Artisan Furniture Warehouse" can't ensure the quality and the warrranty is a question. The Office Chair is made of high resilience sponge and mesh fabric that ensures comfort and breathability. The back of the chair is designed with an ergonomic construction, which helps you sit in the right posture during a long time working. The durable casters can swivel 360-degree, scrolling without noise, and won't scratch the floor surface. 5 point base with universal wheels for great stability and mobility. Pneumatic seat height adjustment lever makes it easy to raise or lower the seat according to different heights of people or desks. Height adjustable from 83.5-93.5cm. Should you have any question in use or assemble, you can contact the takealot customer services. We will provide you with excellent customer service. Specifications: - Swivel, lift - Gas height adjustable, Chrome - Chrome base - Black/Blue mesh back - Black fabric seat - Black nylon arms - Maximum Weight: 150kg - Dimensions: W59 x D58 x H83.5-93.5cm What's in the box 1 x Backrest 1 x Seat 1 x Seat Frame for gas lift 1 x Gas Lift 1 x Leg frame 5 x caster wheels;assembly instruction and screw set for easy DIY