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black california king comforter set

Skip it

Weak search conversion (0.8%) — this niche doesn't clear our bar today.

Market size 19Growth 53Conversion 10Competition 81Returns 46Price range 69Avg price 91Brand share 69Review moat 22Quality gap 40

Avg price

Great$56.83

avg listing price — sweet spot $15–$100

Competition

Great34%

top-5 click share — an open shelf

Brand share

Good64%

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

Price range

Good$33.69–$129.56

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

Growth

Good+25.0%

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

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,119.08

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$77K

$77K/yr · 166K searches

Conversion

Bad0.8%

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

According to Flapen's Amazon United States niche tracking, black california king comforter set is a $77K/yr Amazon United States market (166K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 49/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

black california king comforter set market data

Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$71K–$85K
units × avg price
Conversion rate
0.8%
Avg BSR
#30
Page quality
0%
Prime
100%
Sponsored
90%
Out of stock
0.1%
Avg brand age
42 months
Avg seller age
162 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

24 rising

Sellers

29

Top-5 brand share

64%

Top 20: 97%

Top-5 click share

34%

Top 20: 72%

Open market

31%

  • Bedsure25%
  • Litanika18%
  • HYMOKEGE8%
  • HEVUMYI7%
  • Love's cabin7%
  • MUXHOMO5%

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +25.0% search growth over the last 90 days.
7K5KHoliday '24Prime Day '25Spike '25Black Friday '25DecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.2×

Top black california king comforter set search terms

  • california king bed in a bag sets10K/yr
  • california king cooling comforter sets6K/yr
  • summer comforter california king size7K/yr
  • california king summer comforter7K/yr
  • california king lightweight comforter11K/yr
  • california king comforter set cooling11K/yr
  • california king bed sets with comforter11K/yr
  • cotton california king comforter9K/yr
  • california king set10K/yr
  • california king comforter set cotton10K/yr
All search terms

Top black california king comforter set 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.

0%3%$2K6%$5K9%$7K12%$9K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about black california king comforter set

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

What buyers love

Comfort-Overall17%

“Nice and comfortable”

Soft Feel15%

“Buttery Soft”

Quality-Overall9%

“The set is good quality for the price”

Size-Overall8%

“Fits my bed as expected”

Color7%

“accurate color”

Weight Light6%

“Nice lightweight comforter”

Value For Money6%

“Money well spent”

Warmth5%

“Perfect amount of warmth”

Advertised Vs Actual Product3%

“As described”

Upholstery/Fabric Quality2%

“The fabric is wonderful”

What buyers complain about

Size-Overall18%

“EXTREMELY SMALL”

Quality-Overall6%

“Disappointed in the quality”

Thickness5%

“although I thought it would be a bit thicker”

Color5%

“The color is off”

Advertised Vs Actual Product4%

“False advertisement”

Material Quality3%

“Cheap material”

Washability3%

“I am afraid to wash it”

Comfort-Overall3%

“I didn't like this comforter set AT ALL”

Value For Money2%

“Bummer for the price this cost me”

Durability2%

“Falls Apart After One Wash — Complete Waste of Money”

Top return reasons

Size-Overall31%
Color27%
Material Quality6%
Advertised Vs Actual Product6%
Thin4%
Comfort-Overall4%
Display Colors3%
Quality-Overall3%
Value For Money2%
Warmth2%

Common questions

Is black california king comforter set profitable to sell on Amazon United States?
The niche generates $77K/yr across 51 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +25.0%. Flapen's verdict: Skip it (49/100).
How competitive is the black california king comforter set niche?
24 brands and 29 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in black california king comforter set?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 3.3%.
When does demand for black california king comforter set peak?
Demand peaks in Jul–Aug; the busiest month runs 2.2× the quietest.
What does it cost to enter the black california king comforter set niche?
Listings span $33.69–$129.56; the average listing price is $56.83 (sweet spot $15–$100). The average incumbent carries 9,119 reviews — the moat a new listing must climb.