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30-day refund/replacement
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Availability:
In Stock.
Arrives
Monday, Aug 31
Recently Viewed
Color: Ebony
Size: Pack of 1
Features
- ADJUSTS TO YOU, FROM BOTTOM TO TOP - Whether you're working, gaming, or just relaxing, SIHOO ergonomic chair adapts to your needs. The headrest tilts and lifts to support your neck just right. The lumbar support shifts in height and depth to fit the curve of your lower back. Recline from 90 to 126 to change posture throughout the day. With smooth height lift and 360 swivel, you move freely and stay comfortablehowever you sit.
- ERGONOMIC SUPPORT WHERE YOU NEED IT MOST - Recommended by the Ergonomics Application Association, the SIHOO ergonomic office chair is shaped to match the natural curve of your spine. The split backrest cushions your back and helps relieve pressure along the spine. The waterfall-edge seat supports your thighs while improving circulation, keeping you comfortable through long hours at your desk.
- STABLE, DURABLE, AND QUIET - Built with a reinforced aluminum base and a dual-frame backrest, our desk chair holds up to 330 lbs with ease, staying sturdy and supportive even with daily use. Smooth-rolling, silent casters glide across the floor without noise or scratchesperfect for quiet workspaces.
- CERTIFIED SAFETY YOU CAN TRUST - Every key part of the SIHOO chair has undergone over 100,000 rigorous safety tests and is certified by BIFMA and SGS. Built with your safety in mind, it offers the confidence to sit, recline, and move freelyknowing your chair is tested, trusted, and made to last, perfect for long workdays, gaming sessions, or everyday comfort at home.
- WARRANTY & SUPPORT YOU CAN COUNT ON - Every SIHOO office chair comes with a 3-year warranty and easy 30-day returns. If anything goes wrong, just contact our customer servicewell reply within 24 hours and send free replacement parts if needed. Your comfort and satisfaction are our top priorities.Your comfort and satisfaction are our top priorities.
Description
SIHOO M57 SIHOO B100 Doro C300 Pro V2 Footrest SIHOO B100 SE SIHOO B300 Pro SIHOO M18 SIHOO M59AS
Brand: SIHOO
Color: Ebony
Material: Mesh
Product Dimensions: 30.31"D x 25.59"W x 13.59"H
Size: Pack of 1
Brand Name: SIHOO
Unit Count: 1 Count
Room Type: Office
Age Range Description: Adult
Included Components: Arm Pad, Caster, Cushion
Model Name: M18-M163
Indoor Outdoor Usage: Indoor
Model Number: M18
Number of Packs: 1
Manufacturer: SIHOO
Manufacturer Part Number: M18-M163
Number of Items: 1
Reclining Position Count: 3
Maximum Weight Recommendation: 330 pounds
Color: Ebony
Back Style: High Back
Style Name: Classic
Pattern: Solid
Shape: L-Shape
Arm Style: Standard
Furniture Finish: Aluminum
Leg Style: wheels
Item Dimensions D x W x H: 30.31"D x 25.59"W x 13.59"H
Size: Pack of 1
Item Weight: 44 pounds
Seat Depth: 18.11 inches
Item Dimensions: 30.31 x 25.59 x 13.59 inches
Material Type: Mesh
Frame Material Type: Polypropylene
Seat Material: Nylon
Fill Material: Polystyrene
Upholstery Fabric Type: Mesh
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Aug 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black
Size: Pack of 1
I've been looking for a new chair to replace a cheap $30 chair i bought off of Amazon last year that had been killing my back and shoulders. I wanted something in the $150-$200 range and settled on the M18. Shipping was a fast 3 days with Prime and the box arrived in great condition. All parts were separately wrapped or in their own boxes. Came with all hardware and nothing was missing. Assembly took me a little longer then normal because i have rotator cuff injury in my left shoulder so that arm is mostly useless. The most difficult part for me was attaching the wheels to the base. Other then that it was simple. Once the chair was assembled i sat in it for the first time and started making my adjustments with the recline feature, armrest level along with the headrest. Next i reached around for the lumbar support knob and tried to adjust it but with my bad shoulder i decided to just get out of the seat and turn it around and adjust it with both hands. After spinning the chair a round to get at the lumbar knob i noticed a large crack in the plastic in the middle of the back of the lumbar plastic piece. I had not made any lumbar adjustments yet so i assumed this is how i received it. The lumbar support comes preinstalled to the backrest so it either was damaged before or during the shipping process. Either way it was damaged before being delivered to me. The lumbar support still functioned properly but it was still broken. I decided to contact Sihoo's customer support that came along with the installation instructions regarding the damaged lumbar piece. I received a reply the next day and after sending them some more info about my order and a couple pics they shipped me a replacement part which took a week to arrive. I swapped out the damaged part and after owning the chair for a week so far i am really happy with my purchase. Im about 5'10 180lbs. At its highest height level my feet reach the ground comfortably flat footed. The backrest fully covers my back and the headrest adjusts very well to sit on the back of my lower head/upper neck. The armrests only go up and down....not forward and back or tilt inwards. This is fine for me as they are grooved to fit your forearm while sitting at your desk/keyboard. The armrests are also a soft cushioned rubber material...not a hard plastic. The mesh of the backrest and headrest are good material and seem well made. The seat is very wide and the cushioning is firm which i prefer. Usually more firm cushioning seems to last longer and hold its form. The base of the chair is VERY sturdy and made of all metal. My chair is on carpet and holds its position very well. As far as recline goes you can set it to recline all the way back, half way or lock the chair in the upright position. You can also adjust the resistance on the reclining feature. So that being said im very happy with my purchase. It arrived with a slight flaw which the company corrected in a fast manor and was very polite in their customer support. I personally don't have a lot of experience with many office chairs and have never used a high end chair($500-$1000+) chair before to make any comparisons. All my chairs for the most part have been from local stores like Staples or Office Depot. Id recommend this over anything they carry in this price range....and i went and looked at their products before buying this chair as well.
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Reviewed in the United States on September 1, 2023 by Dre
Color: Black
Size: Pack of 1
solid chair for price i was using a cheap foldable chair for long study sessions and it would irriate my back since i already have back issues. a guy on youtube recommend thes to me rather then buy a cheap one from best buy and im glad i did. the lumbar support is cool but i usually leave it pretty much minimal and the mesh helps because my room gets super hot and humid. wish i would have got one years ago instead of the racing gamer ones that everyone had back in the day that fell apart after a year. the only complaint i gues i wish it had a bit more lean back but hey for the price it is great also the same for the head rest kind of wish it would let me lean back a bit more to strech a bit more when i am sitting it for hours on end but idk if it would have it be less rigid or less sturdy so they may be reasons for all these things. i am super happy and its a great chair this just my person opinion
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Reviewed in the United States on July 21, 2026 by Elijah
Color: Black
Size: Pack of 1
One of the most comfortable and tunable chairs I've used. I am 6ft1, 210lbs. I happened to try it out at a friend's house and insisted they send me a link! Finding the instructions in the box was a bit frustrating. They were inside of the plastic covering the seat of the chair, instead of just loosely packed in the box. Having already read complaints about missing instructions, I immediately feared I was one of the victims, until I got half way though the assembly and turned the seat over to notice them stuck in there. I would have searched more diligently if not for the reviews. But it all worked out in the end. This is the first cloth seated office chair I have ever purchased. I wish they had scotchguarded it. Minus 1 star. On day 5, a full cup of coffee was attacked by a large bag of chips and went flying off the table when I had my back turned! You can't make this stuff up! The seat absorbed it like a sponge. I had even thought to Scotchguard it the previous evening, and was too lazy to follow through. So...Scotchguard this ASAP when you get it! The cloth seat is more comfortable than my previous leather and pleather chairs that cost the same or more. Also, I'm not building up as much heat in the seat. The arm rests are not perfect. The adjustment is okay. But there is a sharp edge where the bottom and top half of the outer shell was formed. It can almost cut your hand and detracts from the comfort of the chair when you hit that edge or grip the armrest as you are sitting down or getting up. The armrests seem adequate at present but they are about 35% thinner than the armrests on my old chair, of similar composition. I'm not confident they will hold up and be comfortable over the long term. Another caveat about this type of armrest shell, is that the plastic tends to crack over time from your elbows and arms digging into it, along with body oils that seem to attack the the pleather surface. When that happens, it pinches your arm when used. That was the main reason for replacing my older chair. I hope this one may have some better results. Time will tell. The mesh back is comfortable and allows my skin to breath. I really love being able to adjust the recline position to more than one angle! It's usually all or nothing. The adjustments on the lumbar and headrest are useful and comfortable . The chair doesn't raise up as high as my old chair, but it is adequate, barely. Overall, I would give the chair 4 stars so far and would buy it again. I may try to trim the sharp edge on the armrest. The left one seems to be the real problem. The right armrest seems better formed near the front edge where I notice it most. The right armrest has the sharper edge toward the back where I don't contact it often.
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Reviewed in the United States on May 1, 2023 by Krylos
Color: Light Grey
Size: Pack of 1
Bought this for my mother, who works at home, and she doesn't stop talking about how comfortable it is. I had been wanting to invest in a good-quality chair after she had been working out of a $40 chair from Office Depot. I compared a few options, and this seemed to be a good option. It is very sturdy and offers many comfortable features, such as armrests and incline options. I assembled it by myself and struggled at the start, but I found a YouTube video they had posted, and everything was good after that. Overall, a great product. I really recommend it for anyone who sits for long periods of time.
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Reviewed in the United States on August 14, 2026 by z
Color: Light Black
Size: Pack of 1
i am 6ft 6 325lbs. this s a great chair the price makes it even better. the only flaw i have with this chair, and only because my height is above the waste and not in my legs. (my wife says i am all torso). even at its highest point the head rest barley clears my shoulders. i do have a seat cushion but i have a seat cushion i use for every seat i sit in. just because i know my seat cushion is clean and comfortable.. if you get up every 2 hrs. to stretch you will not need a seat cushion. i bought the cushion for a Ryanair flight and figure i might as well use the darn thing since i bought it. LOL. i sit in this chair at least 30 hours a week and have had no pain anywhere in my back, bum or anywhere. very good chair. for reference i switched over from a secret labs chair and the seat was pretty firm. a lot firmer that the SIHOO. there is absolutely nothing wrong with secret labs chairs but why should i spend close to 700 on chair for someone of my size when i can get a chair just as good for under 200?
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Reviewed in the United States on July 25, 2026 by Daniel
Color: Ebony
Size: Pack of 1
My first impression wasn’t great because I didn’t realize the recline was locked. Once I unlocked it and adjusted the headrest, it was a completely different chair. The mesh feels supportive, the lumbar support is comfortable, and I like that the recline tension is adjustable so I can choose between more support or a more relaxed lean. The headrest is also much more adjustable than I initially realized. I especially like that I can sit upright for work and then lean back comfortably while reading or planning between tasks. The casters have a little more resistance than my previous chair, but I’ve actually come to appreciate that because the chair stays put instead of rolling away every time I lean back. It’s not quite on the level of my old Herman Miller, but considering the price difference, it’s an excellent value. If you’re coming from a basic office chair, take a few minutes to learn the adjustments before judging it, you may end up loving it like I did.
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Reviewed in the United States on July 26, 2026 by JMald
Color: Black
Size: Pack of 1
Writing a review base on customer support on here but the chair is also perfect for me (I am 5'6-5'7) Assembly is pretty simple and not complicated. When i first receive the package it was missing some parts BUT Costumer support was really fast and helpful they was able to send all missing parts within Business days 5-7Days. I did like the chair so i didn't want a refund when i found missing parts but seeing how they cooperated with me I'm giving a 5 Star due to me loving the chair and how good their costumer support is on Amazon. #RealReview #NotFake
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Reviewed in the United States on August 13, 2026 by Bob
Color: Light Grey
Size: Pack of 1
I’m really happy with this office chair. It’s very comfortable, feels sturdy, and was easy to put together. I’ve been using it for a while now and it’s been great, especially when sitting for longer periods. It also looks really nice in my office. Definitely happy with my purchase! ❤️
Reviewed in the United States on August 11, 2026 by Tara