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Kilner Bottles

Kilner Bottles shows low returns (0.4%), but brand-locked demand (top 5 brands take 97% of clicks) keeps it on the watch list.

Flapen Score

50
Worth a look

Ranks 2,970 of 5,777 Home & Garden niches · −1 vs the category median of 51

Market size 15Growth 66Conversion 82Competition 46Returns 98Price range 34Avg price 43Brand share 8Review moat 75Quality gap 48
This niche Category average · 5,777 niches

Is Kilner Bottles profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Kilner Bottles is a £60K/yr Amazon United Kingdom market (61K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Dec. Verdict: Worth a look — 50/100.

Kilner Bottles: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +44.8% over the last 90 days and 8.9% of searches end in a purchase.

£60K

revenue / yr

Units sold / yr6K
Search volume / yr+44.8%61K
Conversion rate8.9%
Avg price£11.14

Who owns the niche?

The top 5 brands hold 97% of demand, so 3% of the market is open.

3%

open market share

Brands · sellers7 · 49
Top-5 product click share57%
Open market3%
Avg brand age47 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 23 products

Sponsored placement26%
New entrants (1y)1· 1 succeeded
Avg rating4.5★
Avg reviews496

Top Kilner Bottles 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 take 57% of clicks — established leaders, but buyers still shop beyond them.

£0£6K£12K£18K£24K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

49

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

57%

Top 20: 97%

Open market

1%

  • Kilner81%
  • Eidoct5%
  • Rayware5%
  • volila3%
  • Danmu Art3%
  • HEFTMAN2%
  • Open — no brand owns it (1 brand, 1%)

Kilner Bottles demand & seasonality

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

Volume61KCVR8.9%Products23Brands7Top 5 Brands97%OOS Rate1.4%Rating4.5★Reviews496Avg BSR#274
3K2KSpike '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 2.6×

Top Kilner Bottles search terms shoppers use

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

  • kilner bottles38K/yr
  • kilner bottle9K/yr
  • kilner bottles 1 litre5K/yr
  • kilner bottles 500ml4K/yr
  • kilner bottles 250ml4K/yr

What reviews say buyers love and hate about Kilner Bottles

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

What buyers love

94% of reviews
Quality-Overall45%

Beautiful quality

Strength8%

Sturdy and strong

Advertised Vs Actual Product7%

As described and just what was required

Value For Money6%

I absolutely love these Eidoct Clip Top Preserve Bottles - they are great value for money

Size-Overall6%

Theyre also a really nice size

What buyers complain about

92% of reviews
Leak-Proof31%

These bottles leak if laid on their side

Quality-Overall22%

Not what I expected from a well known brand name

Material Quality13%

the cap is cheap plastic

Storage Capacity7%

They dont hold 1 litre

Strength6%

Extremely Fragile

Kilner Bottles return rate & reasons

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

0.4%

Return rate

46%

Fixable by listing

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

1Size-Overall
38%
2Defective Material/Parts
15%
3Compatibility-Overall
12%
4Leak-Proof
10%
5Quality-Overall
5%

Common Kilner Bottles questions

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

Flapen scores Kilner Bottles 50/100 on Amazon United Kingdom — Worth a look. The niche generates £60K/yr across 23 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved +44.8% over the last 90 days.
Search demand for Kilner Bottles on Amazon United Kingdom peaks in Dec, where the busiest month runs 2.6× the quietest.