【Comfort Support】High density sponge, comfortable armrests, a supportive headrest and lumbar zones provide an optimal seating experience each time you use it.【High Quality】Heavy duty metal chair base，Maximum weight capacity up to 350 pounds，excellent breathable PU Leather,more wear-resisting and anti-oxidation for big and tall.【Ergonomic & Adjustable Design】Backrest can be recline up to 175 and locked in any angle you want between 90-175 degree. 360 degree swivel rotation to move-with mute wheels.【EASY TO INSTALL】 Package with tools,hardware and instruction inside,easily install our product,estimated assembly time within 20 mins by following the instruction.