[Comfortability] - The seat is made of high density foam cushion and bonded leather, which offers favourite resilience and breathability. Ergonomic back design is helpful for long-hours sitting, giving you sufficient lumbar support. [Adjustability] - Height of the seat and armrests can be adjusted. Seat height is available from 18.7 inches up to 21.65 inches. The recline mechanism allows you to enjoy the rocking mode. You can also move smoothly due to 360-degree swiveling casters. [Easy Assembly] - It only takes about 15 minutes to assemble this high back office chair with an Allen wrench and some clearly illustrated instructions which we offered to. [Well-built Construction] - The SMUGDESK gaming chair can bear up to 300lbs. It is well-designed, leaves less chance of getting between the binders. So there is no noise when you adjust or roll around. [Space Saving] - You can flip the armrests up and put the chair under the desk for saving space.This desk chair is ideal for living rooms, study rooms, conference rooms and offices.