SIHOO M18 Ergonomic Office Chair, High Back Mesh Desk Chair with Adjustable Headrest & Lumbar Support, 330lbs Capacity Computer Chair with 2D Armrests & Wide Cushion, Tilt Lock, for Home Office-Black
$169.99 $139.99
$169.99 $139.99
Note: Prices may fluctuate as sellers adjust them regularly. You'll see the latest price at final checkout.
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SIHOO focuses on the field of ergonomics, our ergonomic office chairs are designed with fashionable modern office chair to sit health life as design purposes, scientifically measure health and comfortable seats, provide you with a comfortable, reasonable, scientific Health sitting posture experience.
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Doro C300
Ergonomic technology pioneer of the year, multi-functional adjustment

M18
The first ergonomic office chair exclusively for you
Why choose us?
SIHOO is a professional ergonomic office furniture supplier. With innovative design, independent production and the latest sales channels, our ergonomic office chairs are designed with stylish and modern office chairs, which can provide you with a comfortable, reasonable and scientific healthy sitting experience.
Customer First
SIHOO office chair is free to return within 30 days. And we promise to provide zero-profit product parts during the three-year period. If you meet any problems, find us, and we will provide you with satisfactory solutions.
【ERGONOMICE OFFICE CHAIR】- The ergonomic chair provides 4 support points (head/back/hip/hands) and proper lumbar support. SIHOO designs ergonomic chairs to meet different needs, with seat height, headrest adjustment, lumbar support and back support adjustment, suitable for long sitting and reduce your pain. Suitable for people 5’6″ to 6’2″ tall.
【For Home and Work】 SIHOO chairs can be applied in different scenarios according to the needs of different consumers in needs. Can be used as student office chairs, computer chairs, ergonomic chairs, desk chairs, gaming chairs; not only can sit comfortably, but also save money;
【Breathable Mesh】 Mesh Office Chair Premium Backrest features flexible non-pattern mesh fabric while keeping your back cool and comfortable, allowing you to sit focused and relaxed at the same time.
【High Quality & Easy Assembly】This home office desk chair passed the BIFMA test and the 1136kg static pressure test. Our ergonomic office chair can support up to 150kg. Simple instructions allow anyone to put the chair together in eight easy steps.
【Satisfaction Guaranteed】Customer satisfaction is our first priority. Free returns and refunds within 30 days if the SIHOO office chair is faulty or if there are any other quality-related issues. We promise to provide free replacement parts during the 3-year warranty period. If you encounter any problems, please contact us and we will do our best to find a satisfactory solution.
9 reviews for SIHOO M18 Ergonomic Office Chair, High Back Mesh Desk Chair with Adjustable Headrest & Lumbar Support, 330lbs Capacity Computer Chair with 2D Armrests & Wide Cushion, Tilt Lock, for Home Office-Black
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$169.99 $139.99

farmhousewife –
A solid chair for the budget conscious sitter.
While this is not THE most comfortable chair, let’s face it – if you sit for long periods, what chair IS? I bought this chair because I’m making a career change. I’ve returned to school and spend hours at my desk. At the age of 50, sitting for a long time with my nose pointed toward a book can be hard on the seat, back and neck. I looked at all kinds of office chairs and settled on this one, primarily because it was on sale, was in my budget and so I clicked the “Add to cart” button and hoped for the best.It was delivered, and I had to work that evening, and when I got home my 17-year-old son had assembled it. My theory on the simplicity of assembly can be deduced from that sentence above. He didn’t have any extra parts left over and the chair was complete!I sat down. I leaned back. I shifted the lever that keeps the chair in an upright position and sat straight up.Okay! I can live with this. It has been almost two full months of using this chair and I have no problems.Pros:easy to assemblesufficient comfort level – adequate cushion in the seatcan be leaned back or pop the lever in to stay straight uprollers on bottomheadrest is adjustableaffordableeasy to cleanarm-rests can be moved up or downheight adjustment is self-explanatory – you’ll figure it outthe “lumbar” support is actually comfortable – it’s “there” if you back up to it but if you scoot forward just a bit, you won’t feel it if you don’t want to sit like thatOverall this seems like a chair that’s going to last me for a few years, at least, and not fall apart. In the context of size, I’m not a small or extra larger person. I’m an average middle-aged woman with meat on the bones. The seat is plenty big enough.I would recommend this chair as an upgrade to the hand-me-down office chair that just isn’t comfortable any longer.
jamestycoon –
Unparalleled Comfort & Robust Design!
I recently purchased the SIHOO M18 Ergonomic Office Chair from Amazon, and I must say, it has been a delightful addition to my home office!1. **Ergonomic Design:** The chair boasts a scientifically-backed ergonomic design, providing optimal support to the lumbar and thoracic spine. This design has been a boon, significantly reducing my back pain, which was exacerbated by long hours of sitting.2. **Material & Build Quality:** The chair is constructed with premium materials that signify durability and robustness. It exhibits meticulous craftsmanship, ensuring stability and longevity, allowing me to focus on my work without any disruptions or discomfort.3. **Adjustability:** The multitude of adjustable features, including seat height, headrest, and armrests, allows for a customized seating experience. This ensures that the chair caters to my specific needs, accommodating my posture and work style effectively.4. **Aesthetic Appeal:** Not only is this chair functional, but it also adds a contemporary and professional touch to my workspace with its sleek and sophisticated appearance. It effortlessly blends with my office décor, enhancing the overall ambiance.5. **Value for Money:** Given its exceptional features, the SIHOO M18 offers incredible value for its price point. It’s an investment in comfort and health that I strongly believe will pay off in the long run, particularly for those spending substantial time working at a desk.6. **Customer Service:** My experience with Amazon’s delivery and customer service was seamless and efficient. The chair arrived in impeccable condition, and assembly was straightforward with clear instructions provided.Conclusion:I’m immensely satisfied with my purchase of the SIHOO M18 Ergonomic Office Chair. It combines functionality, comfort, and style, providing an unparalleled seating experience. For anyone in search of an office chair that alleviates back pain and enhances work efficiency, I wholeheartedly recommend the SIHOO M18. It’s a testament to what impeccable design and engineering can achieve, making it an essential component for any home or office workspace!
John in Bethesda –
Good medium priced office chair with a few problems
I bought this during Prime Days and got a good deal. I am not an expert on chairs, but I’ve bought about six office chairs in the last decade. These are good chairs. I would buy again.Pros:- reasonable price- comfortable for both my self and my wife- seat is large, good thigh support, and soft- adjustable arm rests, lumbar supports, head rest, and tilt stiffness – nice!- somewhat easy to assemble- the screws and parts are in a blister pack with a couple extra partsCons:- rollers do not roll as easy as some chairsAssembly notes:- as a retired tech writer, I’ll give the Assembly Guide a 70% – it’s all illustrations and the illustrations are not large enough – the parts labels don’t always match the assembly instructions- don’t forget the washers – it’s hard to see in the illustrations, but most bolts use them- the casters are difficult to install into the bottom frame – use a light coat of three-in-one oil on the caster stems and they will go in easily- it is difficult to attach the chair back to the seat – put both parts on the ground and concentrate on getting one bolt in, the others will be easy to get in
Alena –
Comfortable and well worth the purchase!
I bought this chair in March of 2024 and can confidently say it is well worth the price. It’s rare to find a chair in this price point that can hold up to daily use. I sit in this chair basically all day between work, school and video games and it’s still comfortable. The adjustability of the height, back rest, lumbar support and arm/head rests make it very customizable. I also enjoy that you can lock the lean function or leave it unlocked. Super comfortable and will definitely buy again!
kamoloff –
I am giving 4 star because the height is not high enough for me.
jubiezPoobies –
Very easy to setup and instructions were pretty simple to follow. Plus they have video instructions that you can scan on the manual to get. A VERY comfortable chair that lets you lie back and relax with ease. This is my first ergonomic chair ever, so I’m really impressed. Plus it’s a HUGE upgrade from the chair I had before (picture attached).
R –
One of the nuts was completely loose in the seat. I will have to fix it myself.
Timo ‘redson’ W. –
Der SIHOO M18 hat meine Erwartungen an einen ergonomischen Bürostuhl absolut erfüllt. Die verstellbare Kopfstütze und Lendenwirbelstütze sorgen für eine individuell anpassbare Sitzhaltung – gerade bei längeren Arbeitsphasen eine echte Entlastung für den Rücken.Die hohe Rückenlehne unterstützt die Wirbelsäule optimal, und das atmungsaktive Mesh-Material fühlt sich auch an warmen Tagen angenehm an. Alles wirkt solide verarbeitet, die Mechanik läuft ruhig und zuverlässig. Auch die Montage war unkompliziert – in unter 30 Minuten stand der Stuhl einsatzbereit.Besonders gut gefällt mir das moderne, unaufdringliche Design in Dunkelgrau. Der Stuhl passt perfekt in mein Heimbüro und bietet ein sehr gutes Sitzgefühl – selbst nach mehreren Stunden. Absolute Kaufempfehlung für alle, die viel am Schreibtisch sitzen! 💼🧘♂️
VC –
Great value for money. Assembly is relatively easy but can be a bit confusing. The product is sturdy and provides ample support. Cushion may feel hard initially but settles well. Way better than many other brands that I have tried and gives comfort similar to Herman Miller chairs – unsure about durability.Only issue I have is with the headrest. It was too tight to go into the slots and I had to remove the holder to fit it. It is still a bit too tight to adjust easily.