Becozier Executive Office Chair with Brown Leather, Swivel Desk Chair for Home and Office, Ergonomic Computer Chair with Adjustable seat Comfort FirstComfort takes precedence over everything else, and the design of the entire chair is built around comfort. The chair is filled with medium-hardness sponge and the overall recessed design, which greatly guarantees the softness of the seat and the wrapping of the body. ErgonomicThe curved backrest provides strong support for the back, and the adjustable seat height helps keep the legs stretched at all times. Simple but practicalThe handle on the right side of the seat cushion can easily control the inclination of the backrest and the height of the seat cushion. The chair supports 360 rotation and movement. DurableThe basic structure is constructed with high-strength nylon and iron. The chair has a maximum load capacity of 300 lbs.The Third class cylinder could withstand more than 100,000 uses,the nylon casters are smoother and quieter than others. Easy installation According to the installation instructions, all operations can be completed within 20 minutes.