Is black duvet cover king profitable to sell on Amazon United States?

The niche generates $90K/yr across 28 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -24.9%. Flapen's verdict: Skip it (45/100).

How competitive is the black duvet cover king niche?

17 brands and 23 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in black duvet cover king?

Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 2.6%.

When does demand for black duvet cover king peak?

Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.5× the quietest.

What does it cost to enter the black duvet cover king niche?

Listings span $18.27–$82.39; the average listing price is $43.14 (sweet spot $15–$100). The average incumbent carries 7,226 reviews — the moat a new listing must climb.

black duvet cover king

Skip it

Soft demand (-24.9% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible$43.14

avg listing price — sweet spot $15–$100

Price range

Incredible$18.27–$82.39

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Good2.6%

return rate — above 5% kills the launch gate

Competition

Good52%

top-5 click share — leaders hold, buyers still browse

Brand share

Good74%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.9%

search→purchase rate — share of searches ending in a sale

Review moat

Bad7,226.32

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$90K

$90K/yr · 70K searches

Growth

Bad-24.9%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, black duvet cover king is a $90K/yr Amazon United States market (70K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 45/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

black duvet cover king market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: $86K–$108K; units × avg price
Conversion rate: 2.9%
Avg BSR: #95
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 5.0%
Avg brand age: 48 months
Avg seller age: 204 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

52%

Top 20: 91%

Open market

19%

Utopia Bedding27%
Bedsure25%
CGK Unlimited9%
MooMee7%
Amazon Basics7%
PHF6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -24.9% search growth over the last 90 days.

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.5×

Open Trend

Top black duvet cover king search terms

black duvet cover king49K/yr -25.8%2.3% conv.
black king duvet cover10K/yr -27.5%4.2% conv.
black bed covers3K/yr +1.7%0.3% conv.
king duvet cover black4K/yr -26.3%4.4% conv.
duvet cover king black4K/yr -27.0%2.5% conv.

All search terms

Top black duvet cover king products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Utopia Bedding Duvet Cover King Size - 3 Piece with Zipper Closure - 1 Comforter Cover 104X90 Inches & 2 Pillow Shams 20X36 Inches (Black) Comforter Not Included

Utopia Bedding$19.444.4★12,658 rev

Bedsure Prewashed Duvet Cover King Cotton-Like Soft Bedding Set Black

Bedsure$30.614.5★25,178 rev

Duvet Cover King Size - Extra Soft 3 Piece Set with Zipper Closure - Black

CGK Unlimited$24.574.4★7,414 rev

MooMee Duvet Cover Set 100% Washed Cotton Linen Like King

MooMee$77.174.4★14,728 rev

Utopia Bedding Duvet Cover Set with Pillowcases - 3 Pieces Bedding Duvet Cover with Zipper Closure - 1 Duvet Cover with 2 Pillowcases - Soft Brushed Microfiber(King Black)

Utopia Bedding$19.084.4★50,742 rev

Newest

by launch date

SheRest Black Textured Duvet Cover King Size - 3 piece Soft Microfiber Bedding Set with Zipper Closure & 8 Corner Ties Includes 1 Duvet Cover 104x90 Inches & 2 Pillow Shams Comforter Not Included

SheRest$44.6223 rev

3mo ago

Amazon Basics Duvet Cover Set with Jacquard Geometric Pattern 3-Piece with 1 Duvet Cover and 2 Pillow Shams Comforter Not Included King Black

Amazon Basics$33.88139 rev

4mo ago

Bedsure Textured Duvet Cover King Size Soft & Breathable Comforter Cover for All Season 3 Pieces Wrinkle-Resistant Zipper Bedding with 8 Corner Ties Black

Bedsure$45.98356 rev

9mo ago

Utopia Bedding Duvet Cover King with Fitted Sheet (78x80) - 2 Pillow Case King - All Season Luxury Bed in a Bag with Zippered Duvet Cover - No Comforter (Black)

Utopia Bedding$25.146 rev

9mo ago

Bedsure PureWoven 3 Pieces 100% Cotton Waffle Duvet Cover Set King Black

Bedsure$82.393,881 rev

1y ago

What buyers say about black duvet cover king

What buyers praise and complain about, mined from review topics.

What buyers love

Soft Feel18%

“Nice and soft material”

Comfort-Overall17%

“Soft and Comfortable”

Quality-Overall9%

“Good Quality”

Value For Money8%

“Great value”

Warmth7%

“Perfect for the warm summer nights”

Size-Overall6%

“Fits great”

Material Quality5%

“great material and its so soft”

Color4%

“Super nice really good price and accurate colors”

Weight Light3%

“Its lightweight and again”

Advertised Vs Actual Product3%

“As Advertised”

What buyers complain about

Size-Overall18%

“it was much too short”

Thickness8%

“thicker than expected for price”

Quality-Overall7%

“Not good quality”

Material Quality6%

“Cheap material”

Advertised Vs Actual Product4%

“The description was very misleading”

Stitch/Finish/Polish3%

“The black one ripped for no apparent reason on a seam in the middle”

Comfort-Overall3%

“Cheap comforter”

Hard Feel3%

“Not exactly soft”

Washability3%

“silly me I washed it first”

Fluffiness2%

“no fluff or softness outside of the velvet material”

Top return reasons

Color30%

Size-Overall26%

Material Quality11%

Advertised Vs Actual Product7%

Value For Money3%

Thin3%