Ergonomic Mesh Office Chair Mid-Back Height Adjustable Computer Chair w/ Lumbar Support & 360° Rolling Casters 125kg/276lb Weight Capacity About this item Robust chair construction: This flexible mid-back office chair is constructed of high-density sponge cushion, high breathable hardwearing nylon mesh, durable star base, solid rolling casters and SGS-certified gas cylinder. BIFMA X5.1 tested. Recommendable for customers under 200lbs. Ergonomic backrest design: The office desk computer mesh chair curved backrest can perfectly line up with human body line and support your spine’s natural curve. The lumbar support system resembles a pair of hands, pushing up and holding your low back. Designed for long-term use. Large seat for optimal comfort: As an updated model, it boasts larger seat sizes, measuring 20.7"(width) by 20"(depth), and 2.7"thick, to provide you with a soft and large sitting area. Reclining office chair: By simply pushing the lever or pulling it out, this mesh office chair can be tilted and leaned backward or locked in place for various sitting positions. A tilt tension control knob under the seat is provided to adjust the recline angle. Versatile for different purposes: This task chair can help save you much time as you run from task to task. It can be also a meeting room chair for your new office. You may use it at home as well as a regular computer chair in your study room. Adjustable seat height: The seat height of this computer mesh chair can be simply adjusted from 33.5cm/13.2 to 43.5cm/17.1 by a little push-up/press down at the lever under the seat according to your needs. 360-degree swivel wheels: Twisting and turning about is integral within the office. The chair adopts a stable star base with five 360-degree swivel wheels to allow smooth and quick movement and keep you up with various tasks. Easy assembly: You’ll find all the necessary hardware and tools as well as an illustrated installation manual in the package. It might take less than 30 minutes for a handyman to set it up. Reliable home/office accessory: This basic ergonomic mesh chair is a cost-effective, durable and comfortable choice to have in the study and office. Product Description Specifications Adjustable seat height: 33.5-43.5cm/ 13.2-17.1" Available in three colors, i.e. black, purple and gray Materials: steel, iron, PP, nylon mesh, foam, nonwoven fabric, composite boards Overall dimensions: 60.5 x 60 x (88.5-98.5)cm/ 23.8 x 23.6 x (34.8-38.8)"(LxWxH)