

Ninecer Office Chair, Ergonomic Mesh Office Chair with Memory Foam Cushion, Computer Desk Chair with Wheels Adjustable Lumbar Support, Headrest, Flip-Up Armrests, Black
Key item features
- Ergonomic Design: This office chair offers 4-point support for head, back, hips, and hands, with height adjustment, 4-way lumbar support, a 2D headrest, and a smooth rocking function for all-day posture.
- Adjustable Support: Features a 4-way adjustable lumbar support (up/down/forward/back) and a 2D vertical headrest for personalized spine alignment and active relief from back discomfort.
- Space-Saving Armrests: Flip-up armrests can be rotated 90 degrees upward, allowing the chair to be stowed under a desk and freeing up to 35% more floor space.
- Breathable Comfort: Engineered with a 3.2-inch high-resilience cushion, a 15-degree spine-adaptive backrest, and 20-degree recline, utilizing 220CFM high-airflow mesh for continuous ventilation.
- Robust Construction: Supports a 330 lbs weight capacity with a heavy-duty metal base and smooth PU wheels, featuring a 20"W x 18.3"D extra-wide seat and a 19.1" ergonomic high back.
Specs
- Desk chair typeOffice Chairs
- ColorBlack
- Seat height23.2 in
- Seat depth18.5 in
- Frame materialMetal
- Max load330 lb
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About this item
Product details
🔹 Key Features at a Glance
- 3D Adjustable Headrest: Customize height (3.1” up/down) and angle (60°/80° rotation) to cradle your neck in perfect alignment.
- Ergonomic Lumbar Support: 1.2” up/down + 1” forward/backward adjustment to target lower back pain and maintain spinal health.
- Breathable Technical Mesh: Dynamic support + superior airflow to keep you cool during marathon work sessions (no more stuffy backs!).
- 3.5” High-Density Memory Foam Seat: Cloud-like cushioning with a mesh top layer for all-day comfort (even during back-to-back Zoom calls).
- Space-Saving Retractable Armrests: Lift the handle to tuck arms under the desk—ideal for small offices, studios, or tight corners.
- 330 lbs Weight Capacity: Sturdy metal base + smooth-rolling wheels handle heavy use (perfect for home offices, gaming setups, or student dorms).
🔹 Dimensions & Specs
- Overall: 25” (W) x 20” (D) x 44.6”-48.6” (H) | Seat: 20” (W) x 18.3” (D) x 3.5” (Thick) | Armrests: 13” (W) x 7.5” (H)
- Adjustable Height: 39.4”-43.6” (seat to floor) | Headrest: 3.9” (H)
🔹 Who It’s For
- Remote workers, students, or anyone who sits 4+ hours daily.
- Small spaces (dorms, apartments, home offices) needing a compact, functional chair.
- Those with back pain seeking targeted lumbar/neck support.
-
Features:
- ☕Ergonomic Office Chair: Designed for users from 5'2" to 6' tall, this ergonomic office chair provides 4-point support for your head, back, hips, and hands. Key features include height adjustment, 4-way lumbar support, a 2D headrest, breathable mesh, flip-up armrests, and a smooth rocking function—all working together to ensure all-day posture perfection.
- 🥑4-Way Lumbar & 2D Headrest: Actively relieve back discomfort with this computer chair. The high-density mesh back promotes airflow, while the 4-way lumbar (up/down/forward/back) and 2D vertical headrest adjustments work in unison to deliver personalized spine alignment and lasting relief.
- 🌈Space-Saving Flip-Up Armrests: Simply flip the armrests 90° upward to stow them completely under your desk. This smart feature allows the mesh office chair to transform into a space-saving mode, freeing up to 35% more floor space around your computer station.
- 🍭All-Day Breathable Mesh Office Chair: Engineered for extended comfort, this breathable mesh office chair combines a 3.2’’ high-resilience cushion, a 15° spine-adaptive backrest, and a 20° recline function. The 220CFM high-airflow mesh ensures continuous ventilation, backed by 45N/cm tensile strength for long-term, sag-resistant durability.
- 🍻3-Year Core Support Warranty: Your investment in this premium ergonomic office chair is protected. We guarantee the frame and pneumatic lift against defects for 3 years. Should any issue arise, contact us immediately for a fast and effective resolution.
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Specifications:
- Type: Mesh Office Chair / Executive Computer Desk Chair / Ergonomic Office Chair
- Weight Capacity: 330 lbs Heavy Duty
- Material Options: PU Leather
- Adjustments: Inflatable lumbar support, seat height, rocking tilt (90°–120°)
- Seat Size: 20"W x 18.3"D – Extra Wide
- Back Height: 19.1" Ergonomic High Back
- Seat Height: 17"–21" Adjustable
- Base: Heavy Duty Metal Base with Smooth PU Wheels
- Recommended Use: Home office, work desk, conference room, gaming, stud
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Package Includes:
- 1 x A brand new office chair
- 1 x A clear installation instruction
- 1 x A complete installation tool package
Specifications
Desk chair type
Brand
Color
Seat height
Warranty
Warranty information
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Showing 1-3 of 99 reviews
Verified Purchase
SUPER DEAL, plus COMFY!
This chair is made well and easy to assemble; ALL items provided. The many caster wheels keep it stable while moving or sitting still. The choice of colors was a BIG PLUS for matching office space decor. Have tried other chairs and this is the BEST CHOICE we've made. Couldnt be happier and more comfortable with all the various adjustment features available as well... N Ferris PVAZ
Charmingly soft, inexpensive, and comfortable.
I was apprehensive about purchasing this chair due to its affordability and aesthetic appeal. I was exceedingly delighted! Assembling this chair was effortless. Appears to be wealthy. It is exceedingly pleasant. The wheels glide effortlessly. I would endorse this chair to all individuals.
An exceptional item.
A small amount of fiddling was required to ensure that the components were assembled correctly; however, the instructions are straightforward and uncomplicated. Arrived with all necessary components for assembly and appeared identical to the advertised appearance upon completion.























