CIOMAN DK-004 Big and Tall Office Chair, 500 lb Capacity Claim

Tall Capacity Claim: The CIOMAN DK-004 is an upholstered office chair listed with a 500-pound maximum weight recommendation and inflatable lumbar support. Flip-up arms, rocking function, and rubber wheels are among the listed features, while the stated dimensions and adjustability details deserve a closer look before buying.

At a glance

The listing describes inflatable lumbar support and a wide cushion, with a high back and flip-up padded arms.
The manufacturer claims a 500-pound maximum weight recommendation and 4 inches of seat-height adjustment.
Rubber wheels and a rocking function are named in the product title. The listing claims the wheels suit hardwood, tile, and carpet.

Price

$169.98Save 15%

Reference price: ~~$199.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Inflatable lumbar support allows the back support to be adjusted by inflation, according to the listing.
Flip-up arms can make it easier to slide the chair under a desk when raised.
The listed 500-pound maximum weight recommendation may suit shoppers seeking a chair with a higher stated capacity.

Technical specifications

16 specifications

Identity
Brand	CIOMAN
Model	DK-004

Capacity and features
Maximum weight recommendation	500 pounds
Back style	High Back
Arm style	Flip-Up
Lumbar support	Inflatable Lumbar Support
Reclining position count	1

Dimensions and installation
Form factor	Upholstered
Dimensions listed	19.2 x 22.8 x 22.8 inches
Weight listed	39.6 pounds
Seat depth	19.2 inches
Maximum seat-height adjustment	4 inches

Materials and finish
Material listed	Leather
Frame material	Metal
Fill material	Foam
Color	Brown

What to know before buying

Listing details to confirm

The listing details are inconsistent: the dimensional fields include 19.2"D x 22.8"W x 22.8"H, 22.8 x 19.2 x 22.8 inches, and 19.2 x 22.8 x 22.8 inches, while seat depth is separately given as 19.2 inches. The maximum seat-height adjustment is stated as 4 inches without a seat-height range. The title names a rocking function, but the details give one reclining position and do not clarify how rocking and reclining relate. Confirm measurements and adjustment behavior for the selected listing. The listing also claims 120,000 pressure cycles, SGS certification for the gas lift and wheels, and warranty coverage of 1 year for all parts and 3 years for core components, but these claims are not otherwise detailed here.

What’s in the box

Included

Chair
Instructions

Who is it for?

A good fit for

Shoppers looking for an office chair with a stated 500-pound weight recommendation.
People who want flip-up armrests and inflatable lumbar support in a high-back chair.
Buyers who value customer-reported comfort and relatively straightforward assembly, while checking fit and height carefully.

Less suited to

Buyers who need exact, clearly specified overall dimensions or a complete seat-height range before choosing a chair.
Anyone who needs customer feedback to establish consistent height or adjustability, as reported experiences are mixed.

CIOMAN DK-004 Big and Tall Office Chair, 500 lb Capacity Claim · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 122 ratings

5 stars80%80%
4 stars10%10%
3 stars6%6%
2 stars1%1%
1 star3%3%

Customer feedback describes the chair as attractive and comfortable, with positive reports about lumbar support, easy assembly, and clear instructions. Some buyers also appreciate its size, including a report that it suits shorter users. Height and adjustability experiences are mixed, which matters because the listing gives only a 4-inch maximum seat-height adjustment and no full height range. The overall rating distribution is mostly five-star, but ratings alone do not establish specific strengths or explain criticism.

Positive themes

Customers report comfort and appealing appearance.
Customers describe assembly as easy and instructions as clear.
Customers give positive feedback about lumbar support and size.

Mixed feedback

Customer feedback is mixed on chair height and adjustability.

Frequently asked questions

What weight capacity does the listing give?

It lists a maximum weight recommendation of 500 pounds. This is a manufacturer/listing claim, not an independently verified capacity.

Does the chair have adjustable lumbar support?

The listing identifies inflatable lumbar support. It does not provide a detailed adjustment range or instructions for setting it.

How much does the seat height adjust?

The listed maximum seat-height adjustment is 4 inches. A starting height or complete seat-height range is not provided.

Are the dimensions clear?

No. The page gives multiple dimension formats that do not fully align. See the listing-details note and confirm the measurements for the selected listing.