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  5. Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
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Verified purchase
US
Love it the old is next to its exactly what I was looking for
Item:
Black
2026-01-10
About this product
Details
Dangerous Goods Or Hazardous MaterialsNo
MaterialPolyester Mesh,Foam,Plywood,Nylon,Iron,PP
FeatureAdjustable,With Wheel,Durable,Sturdy
Product description
Costoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office UseCostoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office UseCostoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office UseCostoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office UseCostoffs Ergonomic Office Chair Padded Seat Adjustable Height Adjustable Headrest  Rocking Function Space-Saving 300lbs Capacity Easy Assembly Home/Office Use
Quick Overview
Upgrade your desk setup with this ultra-comfortable, fully functional office chair—perfect for long hours of work or study. Its high mesh backrest delivers all-around support for your head, neck, and entire back while promoting airflow to keep you cool and sweat-free. The generously cushioned seat eases fatigue from prolonged sitting, while customizable features take comfort to the next level: the seat, lumbar support, and headrest are all height-adjustable to fit your body perfectly. The padded armrests offer cozy arm support and can be flipped up to save valuable space. A sturdy star base with five nylon casters enables smooth, quiet 360° mobility, and the adjustable backrest tilt lets you rock gently for added relaxation. Whether you’re tackling a big project or powering through a workday, this chair helps you stay productive and comfortable from start to finish.
Details
·【Ergonomic Customizable Comfort】Features a height-adjustable headrest, 2″ adjustable lumbar pillow, 3.7″ seat height range, and rocking function, delivering tailored support for long work or study hours.
·【Breathable Mesh Back & Plush Seat】High mesh backrest ensures airflow and full back support for a cool sitting experience; the 20.5″ W × 20″ D elastic cushioned seat resists deformation and eases prolonged sitting fatigue.
·【Space-Saving Flip-Up Armrests】90° foldable padded armrests let you sit close to the desk, enable unrestricted postures, and allow easy storage under desks to save space, fitting various desk heights.
·【Easy Quick Assembly】All hardware, connection parts, and tools are included in the package, paired with detailed instructions for hassle-free setup.
·【Sturdy & Heavy-Duty Build】Made of polyester mesh, plywood frame, and strong nylon base; SGS-certified gas lift ensures stability. Supports up to 300 lbs, suitable for most body types.
·【Smooth 360° Mobility】Equipped with durable nylon swivel casters for effortless, quiet, and steady movement across floors.
·【Versatile Multi-Scene Use】Sleek, transparent-style design fits perfectly in study rooms, offices, homes, hotels, and libraries.
Specifications
·Materials: Polyester Mesh, Foam, Plywood, Nylon, Plastic, Iron, PP
·Assembled Dimensions (when the headrest is adjusted to its highest setting): 64.5 cm W × 64 cm D × (124-134) cm H / 25.5″ W × 25.5″ D × (49-53)″ H
·Seat Width: 20.5″
·Seat Depth: 20″
·Adjustable Seat Height: 18.3-22″
·Armrests to the Ground: 25.6-29.3″
·Maximum Weight Capacity: 136 kg / 300 lb
Item Weight: 11.5 kg / 25.4 lb
Shipping Weight: 13.4 kg / 29.6 lb
Note:
1. Please do not stand on the chair.
2. Please allow ±1.5 cm/0.6″  measurement tolerance.
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