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black king sheets

Skip it

A deep review moat (163,075 avg reviews) — this niche doesn't clear our bar today.

Market size 55Growth 18Conversion 81Competition 13Returns 88Price range 92Avg price 95Brand share 6Review moat 0Quality gap 37

Avg price

Incredible$27.30

avg listing price — sweet spot $15–$100

Price range

Great$13.87–$48.00

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

Returns

Great1.4%

return rate — above 5% kills the launch gate

Conversion

Great8.5%

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

Market size

Good$393K

$393K/yr · 169K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-14.1%

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

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad97%

top-5 brand share — brand-locked demand

Review moat

Bad163,074.7

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, black king sheets is a $393K/yr Amazon United States market (169K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 43/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

black king sheets market data

Units sold / yr
13K–15K
avg 1,000–1,250/product
Revenue / yr
$341K–$410K
units × avg price
Conversion rate
8.5%
Avg BSR
#17
Page quality
0%
Prime
100%
Sponsored
80%
Out of stock
0.0%
Avg brand age
51 months
Avg seller age
185 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 rising

Sellers

11

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

0%

  • Amazon Basics45%
  • CGK Unlimited25%
  • Utopia Bedding13%
  • Elegant Comfort12%
  • Love's cabin3%
  • FreshCulture3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.1% search growth over the last 90 days.
5K4KSpike '24Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top black king sheets search terms

  • black sheets king41K/yr
  • black king size sheets39K/yr
  • black king sheets23K/yr
  • king size black sheets9K/yr
  • black king sheet set9K/yr
  • black bed sheets king7K/yr
  • black king size sheets set6K/yr
  • king black sheets5K/yr
  • black sheet set king4K/yr
  • king black sheet set4K/yr
All search terms

Top black king sheets 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%15%$59K30%$118K45%$177K60%$236K1K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about black king sheets

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

What buyers love

Comfort-Overall17%

“So comfortable”

Soft Feel15%

“The material is soft”

Size-Overall14%

“They fit the mattress properly”

Quality-Overall10%

“Affordable quality sheets”

Value For Money9%

“Worth the buy”

Color5%

“Love the color”

Warmth4%

“Super comfortable and warm”

Weight Light3%

“Nice, lightweight sheets”

Advertised Vs Actual Product3%

“Exactly as described”

Washability2%

“lightweight and easy to wash”

What buyers complain about

Size-Overall12%

“Does not fit at all”

Thickness9%

“not a good fit unless you're mattress is under 10 in thick”

Quality-Overall9%

“Not good quality”

Color6%

“the color isnt even black”

Durability5%

“I cant see them lasting too long”

Material Quality5%

“Cheap material”

Pilling/Linting4%

“Started pilling after a few months”

Advertised Vs Actual Product3%

“there's no good reason why they should be false advertising the density”

Ease Of Cleaning2%

“Came dirty”

Hard Feel2%

“Not exactly soft”

Top return reasons

Size-Overall32%
Material Quality16%
Color9%
Value For Money7%
Advertised Vs Actual Product6%
Thin6%
Quality-Overall4%
Comfort-Overall3%
Soft Feel2%
Stitch/Finish/Polish2%

Common questions

Is black king sheets profitable to sell on Amazon United States?
The niche generates $393K/yr across 10 tracked products. 90-day search growth is -14.1%. Flapen's verdict: Skip it (43/100).
How competitive is the black king sheets niche?
6 brands and 11 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in black king sheets?
Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 1.4%.
When does demand for black king sheets peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the black king sheets niche?
Listings span $13.87–$48.00; the average listing price is $27.30 (sweet spot $15–$100). The average incumbent carries 163,075 reviews — the moat a new listing must climb.