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37

black fitted sheet double

Skip it

Prices mostly outside the sweet spot ($5.81–$11.71) — this niche doesn't clear our bar today.

Market size 16Growth 15Conversion 91Competition 24Returns 98Price range 0Avg price 20Brand share 45Review moat 12Quality gap 38

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Great10.9%

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

Brand share

Okay78%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Bad71%

top-5 click share — a locked-up shelf

Avg price

Bad£7.36

avg listing price — sweet spot $15–$100

Market size

Bad£62K

£62K/yr · 77K searches

Growth

Bad-19.7%

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

Review moat

Bad27,868.95

avg incumbent reviews — the moat a new listing must climb

Price range

Bad£5.81–£11.71

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

According to Flapen's Amazon United Kingdom niche tracking, black fitted sheet double is a £62K/yr Amazon United Kingdom market (77K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 37/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

black fitted sheet double market data

Units sold / yr
8K–10K
avg 250–500/product
Revenue / yr
£59K–£74K
units × avg price
Conversion rate
10.9%
Avg BSR
#61
Page quality
0%
Prime
55%
Sponsored
95%
Out of stock
3.6%
Avg brand age
46 months
Avg seller age
188 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 rising

Sellers

17

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

18%

  • Utopia Bedding27%
  • Generic19%
  • My home store15%
  • Aspire Homeware9%
  • Amazon Basics8%
  • MAGNA COLLECTION4%

Demand & seasonality

Weekly Amazon search volume, last 88 weeks — -19.7% search growth over the last 90 days.
2K1KPrime Day '25Spike '25DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 1.9×

Top black fitted sheet double search terms

  • black fitted sheet double18K/yr
  • black double fitted sheets12K/yr
  • black bed sheet12K/yr
  • black fitted sheet7K/yr
  • black bed sheets6K/yr
  • black double bed sheet4K/yr
  • black bed sheets double4K/yr
  • black sheets double bed3K/yr
  • black double fitted sheet3K/yr
  • black double sheet3K/yr
All search terms

Top black fitted sheet double 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%10%£6K20%£12K30%£19K40%£25K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

What buyers say about black fitted sheet double

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

What buyers love

Size-Overall31%

“Fits fine”

Quality-Overall27%

“Brilliant quality and so deep”

Value For Money11%

“GREAT VALUE”

Soft Feel9%

“feels very silky”

Washability4%

“Easy to wash with simpler colours”

Color3%

“Good colour”

Material Quality2%

“Actually really nice material”

Comfort-Overall2%

“comfortable”

Durability2%

“So far its held up well even with the dog”

Advertised Vs Actual Product2%

“Is what it says”

What buyers complain about

Size-Overall22%

“its not even fitting”

Material Quality13%

“Used once and the material had split and torn”

Leak-Proof13%

“Pilling”

Durability13%

“Didn't last”

Thin13%

“Ok. Very thin ok i suppose”

Quality-Overall6%

“Terribly made”

Ease Of Use6%

“Very difficult to put onto the edges”

Top return reasons

Size-Overall64%
Color14%
Material Quality10%
Quality-Overall4%
Thin3%
Advertised Vs Actual Product2%
Ease Of Cleaning1%
Compatibility-Overall1%
Stitch/Finish/Polish1%
Value For Money1%

Common questions

Is black fitted sheet double profitable to sell on Amazon United Kingdom?
The niche generates £62K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -19.7%. Flapen's verdict: Skip it (37/100).
How competitive is the black fitted sheet double niche?
15 brands and 17 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in black fitted sheet double?
Top complaints mined from reviews: Size-Overall, Material Quality, Leak-Proof. The return rate is 0.3%.
When does demand for black fitted sheet double peak?
Demand peaks in Sep–Oct–Nov; the busiest month runs 1.9× the quietest.
What does it cost to enter the black fitted sheet double niche?
Listings span £5.81–£11.71; the average listing price is £7.36 (sweet spot $15–$100). The average incumbent carries 27,869 reviews — the moat a new listing must climb.