★【HIGH QUALITY & EASY TO ASSEMBLE】SIHOO office chairs have been certified by BIFMA and SGS and passed the 2000lbs static pressure test. It can carry a weight of up to 330lbs. Every part of this computer office chair has strict safety quality testing, cushion impact test, handrail fatigue test, chair foot static pressure test, etc. Simple instructions enable anyone to put a chair together in eight simple steps!

★【FOR LONG TIME SITTING】The mesh back and mesh seat keep air circulation for extra comfy. The high-quality mesh resists abrasion and transformation, it makes the high back desk chair good for sitting for 8 hours, suitable for a long day sitting. Meanwhile, it allows you to sit without feeling hot or sweaty. It also features easy maintenance, please wash the mesh in warm water on a gentle cycle with a cold-water rinse.

★【Adjustable 3D Armrest】 This office chair from SIHOO features 3D adjustable armrests – go forwards and back, up and down, and rotate 36° for the best fit to your favorite position. No matter in appearance or function, it makes perfect sense of technology and the future. Find the best angles for your posture.

★【ERGONOMIC DESIGN】SIHOO is recommended by the Ergonomics Application Association. Ergonomic design is based on the human body dynamic digital model. The S-shaped backrest mimics the human spine which helps release the spinal pressure, more effectively adjustable lumbar pillow will cherish your spine. The flowing waterfall arc seating design thigh support is comfortable, it will make you more relaxed.

★【3 YEARS WARRANT】 If there is any quality problem, please do not hesitate to contact us. Sihoo executive office chair promises to provide you with free product accessories within