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Kilner Jars 2l

brand-locked demand (top 5 brands take 100% of clicks) — Kilner Jars 2l doesn't clear our bar today.

Flapen Score

34
Skip it

Ranks 5,377 of 5,777 Home & Garden niches · −17 vs the category median of 51

Market size 25Growth 12Conversion 97Competition 10Returns 96Price range 37Avg price 30Brand share 0Review moat 36Quality gap 24
This niche Category average · 5,777 niches

Is Kilner Jars 2l profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Kilner Jars 2l is a £98K/yr Amazon United Kingdom market (66K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 34/100.

Kilner Jars 2l: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -26.7% over the last 90 days and 15.4% of searches end in a purchase.

£98K

revenue / yr

Units sold / yr13K
Search volume / yr-26.7%66K
Conversion rate15.4%
Avg price£9.65

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers3 · 37
Top-5 product click share88%
Open market0%
Avg brand age47 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 8 products

Sponsored placement13%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews2,901

Top Kilner Jars 2l products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.

£0£15K£29K£44K£59K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

3 flat

Sellers

37

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

0%

  • Kilner79%
  • Argon Tableware11%
  • Rayware10%

Kilner Jars 2l demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume66KCVR15.4%Products8Brands3Top 5 Brands100%OOS Rate0.0%Rating4.6★Reviews2,901Avg BSR#58
3K2KPrime Day '25Spike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 4.5×

Top Kilner Jars 2l search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • kilner jars 2l26K/yr
  • large kilner jar7K/yr
  • 2l kilner jars4K/yr
  • 2l glass jar5K/yr
  • 2 litre glass jar6K/yr
  • 2l jar4K/yr
  • large kilner jars4K/yr
  • 2 litre kilner jar6K/yr
  • 2l kilner jar5K/yr

What reviews say buyers love and hate about Kilner Jars 2l

What buyers mention most, as a share of all reviews.

What buyers love

90% of reviews
Quality-Overall33%

Good quality

Storage Capacity14%

great storage capacity

Value For Money13%

Great value

Size-Overall10%

they fit perfectly for me

Ease Of Use5%

easy to use

What buyers complain about

76% of reviews
Quality-Overall18%

Not good quality, cheap imatation

Rusts/Corrodes17%

the next day the rust comes back

Size-Overall16%

Not fit for purpose

Design-Overall8%

Complete design fail

Ease Of Use5%

Removing it is difficult

Kilner Jars 2l return rate & reasons

Why buyers send it back, as a share of all return requests.

0.9%

Return rate

69%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
63%
2Defective Material/Parts
16%
3Ease Of Use
3%
4Maintenance And Repair
3%
5Compatibility-Overall
2%

Common Kilner Jars 2l questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Kilner Jars 2l 34/100 on Amazon United Kingdom — Skip it. The niche generates £98K/yr across 8 tracked products. Search demand moved -26.7% over the last 90 days.
Search demand for Kilner Jars 2l on Amazon United Kingdom peaks in Aug–Sep–Oct–Nov, where the busiest month runs 4.5× the quietest.