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 $32.99
$169.99 $32.99
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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Ergonomic technology pioneer of the year, multi-functional adjustment

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The first ergonomic office chair exclusively for you

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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.
11 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 $32.99

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.
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!
Cole Butcher –
Great chair, Lumbar support is abysmal
Ive owned this chair for over a year now, here are the pros/cons:Pros:Seat cushion is very comfortable, breathable and doesn’t wear our quickly.The adjustments are simple and easy to useThe back mesh is nice and breathableThe neck support is a nice feature, but I have not used more than 5 timesThe wheels roll well and the base of the chair is good qualityCons:The lumbar support for this chair is abysmal. The lowest setting sticks out so far and hard into your lower back that you have to scoot forward into your chair in order to not have it cause pain. Also adjusting it is incredibly difficult, turning the dial is unnecessarily hard and not easy to do while reaching behind your back. Furthermore, the actual lumbar pad is not comfortable either. Its not the worst but its not good. Basically I ended up having to take the whole lumbar support out because it was causing me so much discomfort. Which sucks because if the lumbar was good this chair would be an easy 5 stars.I would truly rate this chair a 3.5 because the lumbar being so bad its basically useless knocks 1.5 stars off because it think its one of the most important features in a chair but I have to round up to 4 in order to he fair.
Xinlei –
amazing M18
Love my SIHOO M18 chair! Super easy to assemble, comfy seat, and the mesh back keeps it cool. The lumbar support is perfect — no back pain even after long hours. Feels sturdy and totally worth the price. Great for work or gaming!
London.S –
Great Buy!
Super comfortable, reclines easily and probablyore than needed, very sturdy, great quality! Bought instead of the “gaming chair”.Looks professional, easy to use and it together!
Motley –
Great quality and very comfortable
This is an excellent chair. I have now owned it for over 3 years and it is still comfortable to sit in. It is used as my fault office/work chair. After over 3 years, one of the armrests is starting to tear open and show the foam underneath but I feel that is expected for any chair that gets as much use as mine does. The only thing I have done to this chair, besides keep it clean, is I replaced the wheels with the softer “roller blade” style wheels to make it easier on my floor.I would definitely purchase again.
kamoloff –
I am giving 4 star because the height is not high enough for me.
Chris –
J’ai reçu ma commande fin septembre, j’ai payé 159,99€ (je constate qu’elle a fortement augmenté depuis ! 🙁 probablement le confinement qui fait augmenter les prix pas cool du tout), j’ai donc eu tout loisir de tester cette chaise de bureau avant de laisser ce commentaire. Je suis petite (1,55 mètre) mon inquiétude était donc de me tromper en achetant un chaise de bureau trop grande pour moi et inadaptée à ma morphologie, de plus en commandant sur internet impossible de l’essayer avant achat, je ne pouvais donc pas me tromper. Après de longues recherches mon choix s’est porté sur cette chaise de bureau et je ne le regrette pas du tout, elle est géniale. Tout d’abord l’article est arrivé parfaitement emballé et bien protégé, il y a même des gants pour le montage et toutes les visseries et rondelles sont fournies en surnombre pour ne pas en manquer. J’ai “chronométré” le montage ça nous a pris 30 minutes pour la monter c’est tout simple. Après le montage il faut prendre son temps pour bien l’adapter en fonction de sa morphologie pour que tout soit bien en bonne position. La chaise de bureau est de très bonne qualité les matériaux ne sont pas “tchip” au contraire. L’assise n’est pas trop profonde (j’avais un peu cette crainte du faite de mes “petites” jambes) et très confortable, les heures passées assises en télétravail rend l’assise vraiment confortable et on ne fatigue pas après de longues heures de travail. J’adore la position lombaire à positionner de haut en bas et également en durcissant la torsion avec la molette. J’adore également la têtière que l’on peut monter et descendre mais également positionner en avant ou en arrière. Possible aussi de mettre le dossier en position “détente” pour que la chaise ne reste pas droite j’utilise agréablement cette position lorsque je suis au téléphone pour me détendre. j’apprécie la qualité alu du pied et les roulettes noires et blanches sont bien adaptées. Le seul “bémol” que je trouverai à cette chaise de bureau si je veux vraiment donner un avis complet et s’il y aurait un “défaut” à lui trouver seraient les accoudoirs qui sont parfaitement moulés pour recevoir l’avant du bras (un +) qui peuvent se régler en hauteur (un +) mais que nous ne pouvons hélas pas avancer ou reculer pour permettre de les régler à notre convenance et suivant notre position bureau (un -)… dommage mais c’est vraiment le seul petit défaut que je peux lui trouver. Je voulais vous faire partager mon avis complet et détaillé car si comme moi vous ne voulez pas vous tromper et si vous faites des nombreuses recherches à la recherche d’avis et de commentaires pour trouver LA chaise idéale alors peut-être mon avis vous sera utile dans votre choix
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! 💼🧘♂️