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What it is
5 attributes, in the retailer’s own words.
Size
24.21 inches x 16.33 inches x 34.25 inches
Color
New Black
Weight
19.18 pounds
Dimensions
34.25 × 22.83 × 18.11 inches
Model
2139ND722
Black Friday is Friday, November 27, 2026. Amazon’s Black Friday deals run November 19–30, through Cyber Monday, from 12:01 a.m. PT (3:01 a.m. ET) on November 19. , Amazon lists DUMOS Home Office Chair at $39.87, with no deal badge.
Other versions of this model
These are 34% apart, from $39.87 to $59.99. A gap that wide is a different specification rather than a different finish, whatever Amazon’s swatch calls it, so the prices are listed as they are and none is called the cheaper buy.
Amazon’s own price for each, read through their API. Verified
Identifiers
ASIN
B0FJFJLJZ2
EAN
0720314558171
Choosing an office chair
Micom Laboratories, a testing lab, describes ANSI/BIFMA X5.1 as the standard giving manufacturers, specifiers and users a common basis to evaluate the safety, durability and structural adequacy of general-purpose office chairs. It says the 2017 edition has 20 tests and that not all tests need to be done on all chairs; which tests apply depends on the chair type (tilting, fixed seat angle with tilting backrest, or fixed seat angle with fixed backrest).
Micom says X5.11 is for occupants with a mass greater than 253 lb and up to 400 lb, adds a minimum seat width for a “Large Occupant Chair”, and increases most of the loads and forces. It adds that X5.11 is not a bariatric chair standard, so chairs tested to it cannot be qualified as “bariatric”.
