SIHOO - M18 Ergonomic Office Chair, Computer Desk Chair with Adjustable Headrest, High Back Swivel Chair for Home Office - Black
Color
BlackRelated Item
Specifications
- Product Height49.2 inchesProduct Width27.55 inchesProduct Depth27.56 inchesSeat Height (From Floor)21.26 inchesMaximum Weight Capacity330 poundsMaximum Seat Height From Floor17.32 inches
- Key Specs
- Product Height: 49.2 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 27.55 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 27.56 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Seat Height (From Floor): 21.26 inches
- Maximum Weight Capacity: 330 pounds (The maximum load that can be supported by the product.)
- Maximum Seat Height From Floor: 17.32 inches
- Minimum Seat Height From Floor: 21.26 inches
- Seat Width: 20.08 inches
- Seat Depth: 17.91 inches
- Ergonomic Design: true
- Caster Style: 5 (The design of the wheel with brackets or stems mounted to the bottom of each leg which allows for easily moving the item across various surfaces. Certain styles are better suited for different flooring, for example soft casters are best for hardwood or tile while hard casters can more easily glide across carpet.)
- Armrest Features: Adjustable height, Adjustable depth
- Lumbar Support Type: Non-adjustable
- Assembly Required: Yes
- General
- Brand: SIHOO
- Model Number: M18
- Product Name: M18 Ergonomic Office Chair, Computer Desk Chair with Adjustable Headrest, High Back Swivel Chair for Home Office
- Color: Black
- Assembly Required: Yes
- Dimensions
- Product Height: 49.2 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 27.55 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 27.56 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 37.92 pounds (The out of box weight of the item.)
- Seat Height (From Floor): 21.26 inches
- Maximum Weight Capacity: 330 pounds (The maximum load that can be supported by the product.)
- Maximum Seat Height From Floor: 17.32 inches
- Minimum Seat Height From Floor: 21.26 inches
- Seat Width: 20.08 inches
- Seat Depth: 17.91 inches
- Backrest Height: 19.69 inches
- Backrest Width: 27.16 inches
- Material
- Material: Plastic
- Finish: POLISH
- Frame Material(s): Polypropylene
- Seat Material: Foam
- Backrest Material: Polyester
- Protective Qualities: Fire resistant
- Design
- Office Chair Style: Desk chair
- Ergonomic Design: true
- Base Design: 5-pointed star
- Caster(s) Included: true
- Caster Style: 5 (The design of the wheel with brackets or stems mounted to the bottom of each leg which allows for easily moving the item across various surfaces. Certain styles are better suited for different flooring, for example soft casters are best for hardwood or tile while hard casters can more easily glide across carpet.)
- Recommended Surface(s): All surfaces
- Features
- Motion Type: Swivel
- Number Of Chairs Included: 1
- Reclining: true
- Chair Tilt: Adjustable with tilt-tension control and tilt lock
- Swivel Angle: 360 degrees
- Adjustable Seat Height: true
- Pneumatic Height Adjustment: true
- Headrest Included: true
- Headrest Features: Adjustable height, Adjustable width
- Armrests Included: true
- Armrest Features: Adjustable height, Adjustable depth
- Lumbar Support Type: Non-adjustable
- Breathable Backrest: true
- Built-In Headphone Jack: false
- Built-In Speakers: false
- Cup Holder(s): false
- Warranty
- Warranty - Parts: HEAD-REST
- Warranty - Labor: SIHOO-SEVICE
- Other
- UPC: 799947518197
The SIHOO Ergonomic Office Chair delivers full-body support with four key contact points (head, back, hips, and arms) and adjustable lumbar reinforcement, designed to reduce discomfort during prolonged sitting. Ideal for users between 5'6" and 6'2", it features customizable seat height, headrest, and back support for personalized comfort. Perfect for home, office, or gaming, this versatile chair suits various needs while offering great value. Its breathable mesh backrest ensures airflow to keep you cool and focused. Built to last, it passes BIFMA certification and a 1136kg static pressure test, supporting up to 150kg, with easy assembly in just eight steps. Backed by a 30-day return policy and a 3-year warranty, we guarantee satisfaction—contact us for any issues, and we’ll provide free replacements or solutions.
- 4 support points, adjustable, reduces long-sitting pain.: For home/work, multi-use (student, gaming etc.).
- Premium mesh backrest, breathable, keeps back cool.: BIFMA/1136kg test passed, 330lb capacity.
- 30-day free return/refund, 3-year free parts.: W-shaped design for the seat ensures you sit centrally .The front edge of the seat has a waterfall front, which ensures minimum pressure on your legs during prolonged seating periods. High-density sponge-filled cushion is soft and not easily deformed.
- High Quality & Easy Assembly: This home office chair has passed the BIFMA test and the static pressure test of 1136 kg. Our ergonomic office chair can support a weight of up to 150 kg. Simple instructions enable anyone to put chair together in eight simple steps.
- Three Years Warranty: If there are any quality problems, Sihoo Office Chair promises to provide you with zero-profit product accessories within three years warranty period.
Product Manuals
Q: Can the arms be flipped up out of the way?
A: the arms can be adjusted up and down but not sideways
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The SIHOO Ergonomic Office Chair delivers full-body support with four key contact points (head, back, hips, and arms) and adjustable lumbar reinforcement, designed to reduce discomfort during prolonged sitting. Ideal for users between 5'6" and 6'2", it features customizable seat height, headrest, and back support for personalized comfort. Perfect for home, office, or gaming, this versatile chair suits various needs while offering great value. Its breathable mesh backrest ensures airflow to keep you cool and focused. Built to last, it passes BIFMA certification and a 1136kg static pressure test, supporting up to 150kg, with easy assembly in just eight steps. Backed by a 30-day return policy and a 3-year warranty, we guarantee satisfaction—contact us for any issues, and we’ll provide free replacements or solutions.

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Rating 4.5 out of 5 stars with 13 reviews
- Comfort (7)
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