Features:【ADJUSTABLE LUMBAR SUPPORT:】This ergonomic office chair is based on natural curvature and is with adjustable lumbar support, so the backrest can adapt perfectly to your natural posture and provide you with a high level of comfort even during long periods of sitting activities. This swivel chair is also equipped with armrests so you can also support your arms relaxed while working.【HIGH STABILITY】 Our office chair is made of polyamide, metal foam and plastic. The mesh chair features a durable chair base so it can hold up to 220 pounds maximum.【Adjustable Rocker Mechanism】 This office chair features a rocker mechanism to relax during your office break. You can freely adjust the tilt tension to your needs by tightening or loosening a knob below the seat.【Movable and Flexible】The 5 durable and 360° rotating nylon wheels allow you to move freely between different workplaces to retrieve distant documents or make phone calls.【Easy to install】thanks to illustrated assembly instructions as well as all tools and necessary accessories, assembly takes just a few minutes. So you can use the mesh chair in no time at all.Specifictions:Material: steel / plastic / nylonOverall size: 60.5 x 57.5 x (87- 97) cm (LxWxH)Adjustable height: 35 - 45 cmSeat size: 49x 48 x 5 cm (LxWxThickness)Height of backrest: 46 cmmax. Load capacity: 100 kgWeight: approx. 10,4 kgNet weight: 9,1 kgColour: BlackPackage includes:1 x Office chair.