SIHOO - M57 Ergonomic Office Chair with 3D Armrest, Mesh Desk Chair with Lumbar Support, 300lb - Black
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Specifications
- Product Height48.4 inchesProduct Width27.6 inchesProduct Depth27.6 inchesSeat Height (From Floor)21.7 inchesMaximum Weight Capacity330 poundsMaximum Seat Height From Floor21.7 inches
- Key Specs
- Product Height: 48.4 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: 27.6 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: 27.6 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): 21.7 inches
- Maximum Weight Capacity: 330 pounds (The maximum load that can be supported by the product.)
- Maximum Seat Height From Floor: 21.7 inches
- Minimum Seat Height From Floor: 18.1 inches
- Seat Width: 20.1 inches
- Seat Depth: 18.1 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 depth, Adjustable width
- Lumbar Support Type: Non-adjustable
- Assembly Required: Partial
- General
- Brand: SIHOO
- Model Number: M57
- Product Name: M57 Ergonomic Office Chair with 3D Armrest, Mesh Desk Chair with Lumbar Support, 300lb
- Color: Black
- Assembly Required: Partial
- Dimensions
- Product Height: 48.4 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: 27.6 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: 27.6 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: 44.53 pounds (The out of box weight of the item.)
- Seat Height (From Floor): 21.7 inches
- Maximum Weight Capacity: 330 pounds (The maximum load that can be supported by the product.)
- Maximum Seat Height From Floor: 21.7 inches
- Minimum Seat Height From Floor: 18.1 inches
- Seat Width: 20.1 inches
- Seat Depth: 18.1 inches
- Backrest Height: 19.96 inches
- Backrest Width: 20.08 inches
- Material
- Material: Plastic
- Finish: POLISH
- Frame Material(s): Polypropylene
- Seat Material: Mesh
- 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 depth, Adjustable width
- Lumbar Support Type: Non-adjustable
- Breathable Backrest: true
- Built-In Headphone Jack: false
- Built-In Speakers: false
- Cup Holder(s): false
- Warranty
- Warranty - Parts: headrest, armrests, wheels，Gas cylinder
- Warranty - Labor: 3 years
- Other
- UPC: 799947518227
The SIHOO Ergonomic Office Chair delivers superior comfort with its fully adjustable design, featuring a multi-directional headrest, customizable lumbar support, 3D armrests, and a 90°-126° reclining backrest for versatile working positions, along with 3.15-inch height adjustment and 360° smooth rotation. Endorsed by the Ergonomics Application Association, its scientifically designed ridge backrest mirrors the human spine to relieve pressure, while the waterfall-edge seat cushion provides optimal thigh support. Built with premium materials, including a sturdy aluminum base, noise-free casters, and a dual-frame backrest for enhanced durability, this chair undergoes rigorous testing (including seat impact, armrest fatigue, and leg static pressure tests) to meet strict safety standards. Backed by a 3-year warranty, we offer free replacement parts for any quality issues—contact us for prompt assistance.
- Adjustable headrest, lumbar, armrest.: Spine-fit, relieves pressure.
- Stable durable aluminum base, silent casters.: Strict safety tests, meets office chair standards.
- Quality issues get accessory replacement.: SIHOO is the crystallization of the common wisdom of many professionals in human body, physiologist, product designer, mechanical engineer，does its best to make every step comfortable and safe for every customer. Every small part has strict safety quality testing. Cushion impact test, handrail fatigue test, chair foot static pressure test, in line with the strict standards of office chair.
- Warranty: Product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.
- Adjustable headrest, lumbar, armrest.: Spine-fit, relieves pressure.
- Stable durable aluminum base, silent casters.: Strict safety tests, meets office chair standards.
- Quality issues get accessory replacement.: SIHOO is the crystallization of the common wisdom of many professionals in human body, physiologist, product designer, mechanical engineer，does its best to make every step comfortable and safe for every customer. Every small part has strict safety quality testing. Cushion impact test, handrail fatigue test, chair foot static pressure test, in line with the strict standards of office chair.
- Warranty: Product warranty period is three years. If there is any quality problem, please contact us. After confirming, we will change the accessory for you. We promise to provide you with zero profit product accessories within three years of the warranty period.
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The SIHOO Ergonomic Office Chair delivers superior comfort with its fully adjustable design, featuring a multi-directional headrest, customizable lumbar support, 3D armrests, and a 90°-126° reclining backrest for versatile working positions, along with 3.15-inch height adjustment and 360° smooth rotation. Endorsed by the Ergonomics Application Association, its scientifically designed ridge backrest mirrors the human spine to relieve pressure, while the waterfall-edge seat cushion provides optimal thigh support. Built with premium materials, including a sturdy aluminum base, noise-free casters, and a dual-frame backrest for enhanced durability, this chair undergoes rigorous testing (including seat impact, armrest fatigue, and leg static pressure tests) to meet strict safety standards. Backed by a 3-year warranty, we offer free replacement parts for any quality issues—contact us for prompt assistance.
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