SIHOO M81 Ergonomics Office Chair, Computer Chair Desk Chair, Adjustable Headrests and Chair Backrest Mesh Chair
★【Features】 Two-way adjustable lumbar pillow and headrest allow for complete fine-tuning of support based on personal preferences, 90°-125°degree reclining backrest adjustable for multiple work positions, 10cm (3.9 in.) of seat pad vertical adjustment and 360°-degree swivel capability. Ultra-soft cotton cushion is comfortable and resists sagging and sinking.
★ 【ergonomic】 design recognized by the ergonomics application association for providing ergonomic designs based on extensive research conducted with digital models of the human body. The angles of the backrest have been designed to ensure constant support of back and lumbar. Our products are designed specifically for those who are in an office chair for extended periods of time and require intensive-use seating for comfort.
★ 【research】 SIHOO is the realization of decades of research conducted by professionals in product design, and mechanical engineering. We do our absolute best to make sure the smallest details are designed with comfort and safety for each customer. Every aspect of our chairs has been assessed with strict safety and quality testing, including but not limited to cushion impact tests, handrail fatigue tests, and chair-frame Static pressure tests, to ensure a product that exceeds expectations.
★ 【warranty】 period is three years. If there are any quality problems, please contact us. After confirming, we will provide a replacement part or product for you. SIHOO provides full parts coverage for the three years of the period, at zero cost for you!