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black storage box

Skip it

Soft demand (-15.8% this quarter) — this niche doesn't clear our bar today.

Market size 20Growth 17Conversion 29Competition 70Returns 97Price range 75Avg price 76Brand share 64Review moat 24Quality gap 35

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Great£15.55

avg listing price — sweet spot $15–$100

Price range

Great£8.38–£35.15

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

Competition

Good43%

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

Brand share

Good67%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.3%

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

Review moat

Bad5,782.32

avg incumbent reviews — the moat a new listing must climb

Market size

Bad£79K

£79K/yr · 221K searches

Growth

Bad-15.8%

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

According to Flapen's Amazon United Kingdom niche tracking, black storage box is a £79K/yr Amazon United Kingdom market (221K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan. Verdict: Skip it — 47/100.

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

black storage box market data

Units sold / yr
4K–5K
avg 0–100/product
Revenue / yr
£62K–£78K
units × avg price
Conversion rate
2.3%
Avg BSR
#230
Page quality
0%
Prime
61%
Sponsored
64%
Out of stock
7.5%
Avg brand age
38 months
Avg seller age
184 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

45

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

43%

Top 20: 92%

Open market

28%

  • Wham Bam26%
  • DANIEL JAMES Housewares18%
  • Homsorout9%
  • DIMJ7%
  • Amazon Basics6%
  • JMS we create smile5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.
6K4KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.5×

Top black storage box search terms

  • black storage box71K/yr
  • black storage boxes with lids37K/yr
  • black storage boxes19K/yr
  • black plastic storage box19K/yr
  • black plastic storage boxes10K/yr
  • black storage12K/yr
  • black plastic box8K/yr
  • black storage box with lid8K/yr
  • black plastic storage box with lid6K/yr
  • black box with lid7K/yr
All search terms

Top black storage box 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%5%£4K10%£8K15%£12K20%£16K101001K10K100K1.0M 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 storage box

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

What buyers love

Storage Capacity19%

“Great storage”

Strength17%

“surprisingly sturdy”

Value For Money16%

“Great value”

Quality-Overall13%

“Look fair quality for the price”

Size-Overall11%

“Love it great size looks great”

Advertised Vs Actual Product4%

“Better than I expected”

Assembly/Installation4%

“Very easy to assemble”

Ease Of Use1%

“Useable”

Design-Overall1%

“I like the set and the design”

Water Resistance1%

“Box is waterproof, and seem sturdy”

What buyers complain about

Size-Overall32%

“wrong size”

Smell10%

“They Give off a strange odour”

Strength8%

“Broken on arrival and flimsy”

Quality-Overall4%

“poor quality”

Durability3%

“Lid cracked first time used”

Security3%

“Not so much for security”

Locking Mechanism3%

“If you expect to be able to lock this with a single padlock you are expecting too much”

Advertised Vs Actual Product2%

“Measurements wrong on website”

Value For Money2%

“Costly Return”

Hard Feel2%

“Toughest I've used”

Top return reasons

Size-Overall82%
Defective Material/Parts4%
Quality-Overall3%
Strength3%
Color1%
Advertised Vs Actual Product1%
Smell1%
Compatibility-Overall1%
Value For Money1%
Material Quality1%

Common questions

Is black storage box profitable to sell on Amazon United Kingdom?
The niche generates £79K/yr across 28 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -15.8%. Flapen's verdict: Skip it (47/100).
How competitive is the black storage box niche?
17 brands and 45 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in black storage box?
Top complaints mined from reviews: Size-Overall, Smell, Strength. The return rate is 0.5%.
When does demand for black storage box peak?
Demand peaks in Jan; the busiest month runs 1.5× the quietest.
What does it cost to enter the black storage box niche?
Listings span £8.38–£35.15; the average listing price is £15.55 (sweet spot $15–$100). The average incumbent carries 5,782 reviews — the moat a new listing must climb.