SIHOO M57 Ergonomic Office Chair - Light Grey, Adjustable Armrests & Headrest, Lumbar Support, High Back Tilt Function

About this item

• ★ 【Design】SIHOO is the crystallization of the common wisdom of many professionals in human body, physiologist, product designer, mechanical engineer，does its best to make every step comfortable and safe for every customer. Every small part has strict safety quality testing. Cushion impact test, handrail fatigue test, chair foot static pressure test, in line with the strict standards of office chair.
• ★ 【Features】The SIHOO ergonomic chair includes a headrest that can be adjusted for easy and comfortable neck support, a lumbar support bracket allowing users to customize the height and depth, armrests that can be adjusted in three dimensions for various office tasks, a backrest that can be positioned anywhere between 90° and 126° for multiple work styles, and a height adjustment range of 3.15 inches. Additionally, it offers 360° rotational freedom with its 3D armrests.
• ★ 【Warranty】Product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.
• ★ 【Material】Our home office desk chair aluminum base is stable and durable, bearing quality is good. Silent casters move freely without noise. Double back frame design, stable and durable.
• ★ 【Ergonomic design】SIHOO ergonomic office chair is recommended by Ergonomics Application Association. SIHOO's ergonomic design is based on the human body dynamic digital model. The ridge backrest and the human spine are exactly the same. The close fitting helps release the spinal pressure. The flow waterfall arc seating design Thigh support is comfortable, SIHOO will make you more comfortable.