SIHOO - M57 Ergonomic Office Chair with 3D Armrest, Mesh Desk Chair with Lumbar Support, 300lb - Black
Model: M57
SKU: 10198673
The SIHOO Ergonomic Office Chair delivers superior comfort with its fully adjustable design, featuring a multi-directional headrest, customizable lumbar support, 3D armrests, and a 90°-126° reclining backrest for versatile working positions, along with 3.15-inch height adjustment and 360° smooth rotation. Endorsed by the Ergonomics Application Association, its scientifically designed ridge backrest mirrors the human spine to relieve pressure, while the waterfall-edge seat cushion provides optimal thigh support. Built with premium materials, including a sturdy aluminum base, noise-free casters, and a dual-frame backrest for enhanced durability, this chair undergoes rigorous testing (including seat impact, armrest fatigue, and leg static pressure tests) to meet strict safety standards. Backed by a 3-year warranty, we offer free replacement parts for any quality issues—contact us for prompt assistance.
Spine-fit, relieves pressure.
Strict safety tests, meets office chair standards.
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.
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.
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.
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