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Small Kilner Jars

Fail

Shoppers spend an estimated $39K a year here, so Small Kilner Jars is a Fail.

Flapen Score
36
36 / 100
Ranks 689 of 740 Business, Industry & Science niches · −13 vs the category median of 49
Market size
£39K/yr46K searches / yr
90-day growth
-21.2%search demand this quarter
Competition
67%top-5 click share · 7 brands · 50 sellers

Flapen Score

Small Kilner Jars against its category

The dotted line is the Business, Industry & Science average. Past it, Small Kilner Jars is stronger. Inside it, weaker.

36Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Small Kilner Jars market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Small Kilner Jars 46K times last year and spent an estimated £39K. The top 5 brands take 96% of clicks. Flapen scores it 36 out of 100, a Fail.

01 · Demand

An estimated 9.1% of those searches ended in a purchase.

Shoppers searched for this 46K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.1% of those searches ended in a purchase. Searches in the last 90 days moved -21.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £39K a year.

Searches, last 12 months
46K
Growth, 90 days vs prior 90
-21.2%
Conversion, latest week
9.1%
Market size, estimated
£39Ka year
Top search term
small kilner jars15K searches a year

02 · Price

A sale here is worth £9.32.

Listings sell for £9.32 on average, from £1.43 to £19.52. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £9.32 that is £932 to £2K a year per listing.

Average price
£9.32under the $15 to $100 sweet spot
Price range
£1.43–£19.52
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
£932–£2K
Returns
0.7%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

37% of listings pay for placement with sponsored ads. 63% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #442 within Food Service Equipment & Supplies. It carries 1,795 reviews at 4.53 stars, so a new listing needs social proof before a better product.

Sponsored listings
37%
Prime listings
63%
Out of stock, average day
0.0%
Average rank
#442in Food Service Equipment & Supplies
Average rating
4.53 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,795per listing
Listings tracked
19

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
42 months

Products

Top Small Kilner Jars products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 67% of clicks. Leaders hold, but buyers still shop past them.

£0£4K£8K£12K£16K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

50

Est. top-5 brand share

96%

Top 20: 100%

Est. top-5 click share

67%

Top 20: 100%

Open market

2%

  • Kilner79%
  • OS Oak & Steel ENGLAND6%
  • Argon Tableware6%
  • Chef-hub3%
  • Vogue2%
  • HEFTMAN2%
  • Open — no brand owns it (1 brand, 2%)

Demand

Small Kilner Jars search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K750Holiday '25OctNovDecJanFebMarAprMayJun

Peak months: Nov, Dec · busiest ÷ quietest = 2.1× · 10 of 12 months tracked

Search terms

Top Small Kilner Jars search terms shoppers use

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

  • small kilner jars15K/yr
  • small kilner jars with clip lids11K/yr
  • kilner jars 250ml9K/yr
  • 250ml kilner jars4K/yr
  • mini kilner jars3K/yr
  • kilner jars small3K/yr

Reviews and returns

What reviews say buyers love and hate about Small Kilner Jars

We read the reviews and the return reasons for every product selling here.

25%of positive reviews mention “Quality-Overall”
19%of negative reviews mention “Size-Overall”
0.7%of orders come back
“Dimensions insufficient and misleading”
A buyer, on “Size-Overall”19% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common Small Kilner Jars questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data