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Description
SIHOO M57 Ergonomic Office Chair with 3 Way Armrests Lumbar Support and Adjustable Headrest High Back Tilt Function GreyAbout This FeaturesSIHOO ergonomic chair with adjustable headrest can make neck tilt easily and comfortably, adjustable lumbar support bracket for free adjustment of height depth, 3D adjustable armrest for different office applications, 90 126 arbitrary backrest adjustment for multiple work positions, any switch 3. 15 in lift, 360 Freedom to rotate freely 3D handrail. Ergonomic designSIHOO ergonomic office chair is recommended by Ergonomics
About This
- ★ 【Features】SIHOO ergonomic chair with adjustable headrest can make neck tilt easily and comfortably, adjustable lumbar support bracket for free adjustment of height depth, 3D adjustable armrest for different office applications, 90°-126° arbitrary backrest adjustment for multiple work positions, any switch 3.15 in lift, 360 ° Freedom to rotate freely 3D handrail.
- ★ 【Ergonomic design】SIHOO ergonomic office chair is recommended by Ergonomics Application Association. SIHOO's ergonomic design is based on the human body dynamic digital model. The ridge backrest and the human spine are exactly the same. The close fitting helps release the spinal pressure. The flow waterfall arc seating design Thigh support is comfortable, SIHOO will make you more comfortable.
- ★ 【Material】Our home office desk chair aluminum base is stable and durable, bearing quality is good. Silent casters move freely without noise. Double back frame design, stable and durable.
- ★ 【Design】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.
Overview
- Brand : SIHOO
- Color : Grey
- Product Dimensions : 16.93"D x 24.02"W x 43.31"H
- Back Style : High Back
- Special Feature : Adjustable Lumbar, Adjustable Height, Ergonomic, Adjustable Headrest
- Material Mesh : Item Weight 20.2 Kilograms
- : Material Mesh
- : Item Weight 20.2 Kilograms
- Frame Material Plastic : Seat Material Type Nylon
- : Frame Material Plastic
- : Seat Material Type Nylon
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Love this dress!
Size: Large, Color: Black
Got a black, size L. Great fit and length. So comfy. Perfect for everyday casual, or add some accessories to dress it up.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Cute but clingy
Size: X-Large, Color: Coral Orange
The dress is bright orange which I love. It is cute, very plain, true to size... but sadly not for me because the material is clingy and shows all my "chubby rolls". I'm returning it.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Great choice for prom
Size: 12, Color: Black Patent, Size: 12, Color: Black Patent
These dress shoes were a great choice for my son's prom. They fit true to size and were comfortable enough for him to wear all evening. I was especially impressed by how durable they were. Between all the dancing, walking around, and the usual teenage shenanigans, they held up extremely well and still looked great afterward. The style was perfect for prom, and the quality exceeded our expectations. I would recommend these shoes to anyone looking for a sharp-looking, reliable pair of dress shoes for a special event.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Amazing dress shoes! 👞
Size: 12 Wide, Color: Classic Brown, Size: 12 Wide, Color: Classic Brown
These shoes are a 10/10! Our groomsmen loved them, very comfortable, and the color gradient is even better than pictured! They matched our groomsmen’s outfits perfectly as we got their entire outfit from Amazon. Water resistant and easy to wipe clean. The material is like a tough leather so it keeps its shape and has a professional and sleek appearance. Great value for your money! Would purchase again.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Good value and very clean stylish look.
Size: 9.5, Color: Classic Dark Brown
I REALLY like these shoes, for the price they are very comfortable and the materials seem pretty solid. I'm not an expert on quality stitching but these seem to be pretty good. I got them for my wedding and they looked fantastic. I now wear them to all sorts of fancy events and they are holding strong!
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Reviewed in the United States on April 23, 2026