what material is the seat cover?

Tight woven material- the seat is very firm. Very supportive. Good quality material

I have tiles for my floor. Will this be a problem?

I use mine on tile and I have no problems.

Can I sleep directly when the backrest is tilted to the maximum?

I don’t sleep in my office so I’m not sure but it is a very comfortable chair and does recline back and the headrest is adjustable

Sihoo M18 Ergonomic Office Chair Mesh Back Desk Chair Headrest

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥179552

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🪑 Elevate your workspace, conquer your day—comfort that means business.

BUILT TO ENDURE - Robust stainless steel frame and BIFMA-certified strength supporting up to 330 lbs, ensuring durability that matches your hustle.
CUSTOMIZABLE COMFORT - Adjustable headrest, lumbar support, 2D armrests, and tilt lock let you personalize your seating experience effortlessly.
STAY COOL STAY FOCUSED - Premium breathable mesh backrest that promotes airflow, keeping you fresh and productive all day long.
TAILORED ERGONOMIC SUPPORT - 4-point adjustable comfort for head, back, hips, and arms—designed to keep you pain-free during marathon work sessions.
EFFORTLESS SETUP WARRANTY - Quick 8-step assembly with a 3-year warranty and hassle-free returns—because your peace of mind matters.

The SIHOO M18 Ergonomic Office Chair combines advanced ergonomic design with durable materials, supporting up to 330 lbs. Featuring adjustable headrest, lumbar support, 2D armrests, and a breathable mesh back, it ensures all-day comfort and productivity. Certified for quality and easy to assemble, it’s the smart choice for professionals seeking both style and function in their home or office setup.

Specifications

ASIN	B07GNDDNMW
Additional Features	Ergonomic, Adjustable Headrest, Arm Rest, Adjustable Lumbar, Tilt, Back Support, Adjustable Recliner
Age Range Description	Adult
Arm Style	With arms
Back Style	Solid Back
Best Sellers Rank	#6,754 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #15 in Home Office Desk Chairs
Brand Name	SIHOO
Chair Backrest Width	20.47 inches
Color	Black
Customer Reviews	4.3 4.3 out of 5 stars (17,068)
Fill Material	Sponge
Finish Types	Lacquered
Form Factor	Recliner
Frame Material Type	Stainless Steel
Furniture Base Movement	Swivel
Furniture Finish	Plastic
Included Components	User Manual
Indoor Outdoor Usage	Indoor
Item Depth	21 inches
Item Dimensions	27.5 x 21 x 11 inches
Item Dimensions D x W x H	27.5"D x 11"W x 21"H
Item Highlight	Adjustable Lumbar Support, Hold 330lbs Computer Chair with 2D Armrests & Wide Cushion, Tilt Lock, for Home Office - Black
Item Type Name	SIHOO M18 Ergonomic Office Chair for Big and Tall People Adjustable Headrest with 2D Armrest Lumbar Support and PU Wheels Swivel Tilt Function Black
Item Weight	17.25 kg
Leg Style	Tapered Leg
Manufacturer	SIHOO
Manufacturer Part Number	M18-M148
Material Type	Mesh
Maximum Weight Recommendation	330 pounds
Model Name	M18
Model Number	B100-Lite-M101-JT-JP
Number of Items	1
Number of Packs	1
Pattern	Solid
Product Care Instructions	Wipe Clean
Reclining Position Count	3 Position
Recommended Uses For Product	Office
Room Type	Office
Seat Back Interior Height	20 inches
Seat Depth	18 inches
Seat Height	20 inches
Seat Length	20 inches
Seat Material	Memory Foam
Shape	L-Shape
Size	Pack of 1
Style Name	Modern
Surface Recommendation	Hard Floor
UPC	657631745734
Unit Count	1 Count
Upholstery Fabric Type	Mesh

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