SIHOO Ergonomic Office Chair, Mesh Computer Desk Chair with Adjustable Lumbar Support, High Back chair for Big and Tall, White and Green
SIHOO Ergonomic Office Chair, Mesh Computer Desk Chair with Adjustable Lumbar Support, High Back chair for Big and Tall, White and Green
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SIHOO Ergonomic Office Chair, Mesh Computer Desk Chair with Adjustable Lumbar Support, High Back chair for Big and Tall, White and Green

1,712 ratings
SIHOO Ergonomic Office Chair, Mesh Computer Desk Chair with Adjustable Lumbar Support, High Back chair for Big and Tall, White and GreenSIHOO Ergonomic Office Chair Mesh Computer Desk Chair with Adjustable Lumbar Support High Back chair for Big and Tall White and GreenSIHOO Ergonomic High Back Office Chair Adjustable Computer Desk Chair with Lumbar Support 300lb GraySihoo High Back Lumbar Support and Breathable Computer Desk Chair Light GraySIHOO M18 Upgraded Wheels Office Chair Ergonomic Desk Chair Breathable Mesh Design High Back Computer Chair Adjustable Headrest Lumbar Support LightSIHOO M18 Mesh Ergonomic Office Chair with Adjustable Lumbar Support High Back BlackSIHOO Ergonomic High Back Office Chair Adjustable Computer Desk Chair with Lumbar Support 300lb Orange
Actual ColorGreen

Key item features

  • Comprehensive Support: The SIHOO M18 ergonomic office chair provides comprehensive body support for the head, back, lumbar, hips, and hands, designed to offer a comfortable sitting experience.
  • Adjustable Customization: Features adjustable headrest, lumbar support, seat height, backrest tilt, and armrests, allowing for customization to individual body characteristics.
  • Breathable Backrest: The backrest is constructed from breathable, high-strength, and stain-resistant mesh fabric, promoting air circulation for prolonged sitting.
  • Comfortable Cushion: A 3.15-inch thick, W-shaped foam cushion offers high elasticity, resistance to deformation, and durability, designed to alleviate pressure on the thighs and lumbar region.
  • Certified Quality: This desk chair has successfully passed the US BIFMA test, meeting industry standards for furniture quality.
  • Easy Assembly: Installation is straightforward, with a detailed instruction manual enabling completion in eight steps.
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Specs

Desk chair type, Office ChairsBrand, SihooColor, GreenSeat height, 50 inSeat depth, 18.1 inSeat width, 27.16 in

About this item

Product details

SIHOO M18 stands as the quintessential representation of SIHOO ergonomic office seating, capturing the hearts of consumers worldwide. Guided by the design philosophy of the SIHOO brand, "providing users with healthy and comfortable ergonomic office chairs". Designers have meticulously crafted this office chair. "Five-point spine protection, quality escort" lies at the core of M18. Offering efficient support for the head, back, lumbar, hips, and arms, it seamlessly conforms to the body's curves to nurture spinal health. The multidimensional adjustment features make it not just an ergonomic chair but a customized seating experience tailored to your body. M18 incorporates high-resilience foam, breathable mesh, and other materials and passed the rigorous US BIFMA test to ensure both comfort and quality.

  • 【Ergonomic Office Chair】SIHOO M18 ergonomic office chair features comprehensive body support（head/back/lumbar/hip/hand). This ergonomic design could provide a comfortable sitting experience. It's worth noting that M18’s lumbar support could be adjusted up and down to provide optimal lumbar support and relieve back discomfort.

  • 【Meet you needs】SIHOO chairs ergonomic. These ergonomic support points also can be adjusted differently to customize the office chair according to your body character. Like adjustable headrest, lumbar support, seat height, backrest tilt, armrest and so on. You needn't worry that the office chair is not fit for you.

  • 【Breathable Mesh Back】The backrest of the M18 mesh office chair is made of breathable, high-strength, and stain-resistant mesh fabric. It is helpful to keep the air circulating and cool while sitting for a long time.

  • 【Comfortable Foam Cushion】M18 home office chair cushion has a thickness of 3.15 inches, featuring high elasticity, resistance to deformation, and durability against dirt. Designed in a W shape, the cushion helps alleviate pressure on the thighs and lumbar region to offer a more comfortable sitting experience.

  • 【High Quantily】This desk chair has passed the US BIFMA test and meets the furniture industry standard. So you can feel relieved by its quantity.

  • 【Easy Assembly】SIHOO chairs ergonomic. Detailed instruction manual allows anyone to complete the installation in 8 steps. 

  • 【3-year warranty】At the same time, we offer a 3-year warranty. If your product is defective during the warranty period, we can send a replacement part free of charge. If you have any questions, please feel free to contact us.

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Specifications

Desk chair type

Office Chairs

Brand

Sihoo

Color

Green

Seat height

50 in

Directions

Fabric Care Instructions

Wipe the mesh of the chair regularly with a damp cloth; avoid washing with water or using a brush, and refrain from using chemical cleaners, as they may damage the color and texture of the mesh.

Warranty

Warranty information

24-hour online service, 30-day free returns, 60-day free exchanges, and 1095-day warranty.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.6 out of 5 stars
stars
1,712 ratings1,293 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars79% (1,355)
  2. 4 stars13% (221)
  3. 3 stars3% (46)
  4. 2 stars2% (30)
  5. 1 star4% (60)

Reviews summary

Pros

  • : Straightforward assembly with clear instructions.
  • : Has a sturdy structure that supports weight without creaking.
  • : Allows for multiple adjustments to fit individual needs.
  • : Offers great comfort and support at this price.
  • : Allows for customizable lower back support with multiple adjustments.

Neutral

  • : Provides adjustable height, but can be unstable at maximum extension.
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Showing 1-3 of 1,293 reviews

Aug 20, 2026
Reviewer name: anonymous
Item details
Color: Black
Sold bySIHOO INTELLIGENT HOME USA LTDDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good quality.

Good quality and easy to assemble . All parts were present . Excellent and what chair what i expected.

Helpful?4J9047LWNRSG5425066205
Jul 9, 2026
Reviewer name: Hans
Item details
Color: Black
Sold bySIHOO INTELLIGENT HOME USA LTDDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Comfortable and Excellent Value

I've been using this chair every day for both work and general computer use, and I'm very happy with it. The mesh back keeps me cool during long sessions, and the adjustable lumbar support provides good lower-back support without feeling too aggressive. The seat cushion is comfortable, even after several hours of sitting, and the armrests are positioned well for typing and everyday use. Assembly was straightforward, and the chair feels sturdy and well built for the price. If you're looking for an ergonomic office chair without spending a fortune, I think this is an excellent value. It's comfortable, supportive, and has made working at my desk much more enjoyable. I would definitely recommend it.

Helpful?4J9047LWNRSG5425066205
Jun 29, 2026
Reviewer name: Surya
Item details
Color: Black
Sold and shipped bySIHOO INTELLIGENT HOME USA LTD
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best chair under $200

Best Chair in this price range. Hands Down.

Helpful?4J9047LWNRSG5425066205
Current price is Now $152.99
You save $17.00
was $169.99
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  • Free Holiday returns until Jan 31
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Sold and shipped by SIHOO INTELLIGENT HOME USA LTDPro Seller
4.521739130434782 out of 5 stars
4.5 stars out of 5, based on 416 seller reviews(4.5)
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