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Kilner Jars 0.5l

Fail

The top 5 brands take 100% of clicks, so Kilner Jars 0.5l is a Fail.

Flapen Score
37
37 / 100
Ranks 5,154 of 5,777 Home & Garden niches · −14 vs the category median of 51
Market size
£46K/yr26K searches / yr
90-day growth
-20.2%search demand this quarter
Competition
66%top-5 click share · 5 brands · 52 sellers

Flapen Score

Kilner Jars 0.5l against its category

The dotted line is the Home & Garden average. Past it, Kilner Jars 0.5l is stronger. Inside it, weaker.

37Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Kilner Jars 0.5l market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Kilner Jars 0.5l 26K times last year and spent an estimated £46K. All 5 brands take every click. Flapen scores it 37 out of 100, a Fail.

01 · Demand

17.6% of searches ended in a purchase last week.

Shoppers searched for this 26K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 17.6% of those searches ended in a purchase. Searches in the last 90 days moved -20.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £46K a year.

Searches, last 12 months
26K
Growth, 90 days vs prior 90
-20.2%
Conversion, latest week
17.6%
Market size, estimated
£46Ka year
Top search term
kilner jars 500ml7K searches a year

02 · Price

A sale here is worth £9.96.

Listings sell for £9.96 on average, from £2.27 to £25.47. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 250 to 500 of them. At £9.96 that is £2K to £5K a year per listing.

Average price
£9.96under the $15 to $100 sweet spot
Price range
£2.27–£25.47
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
250–500
Revenue per listing a year
£2K–£5K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

28% of listings pay for placement with sponsored ads. 39% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #151 within Food Storage. It carries 1,748 reviews at 4.60 stars, so a new listing needs social proof before a better product.

Sponsored listings
28%
Prime listings
39%
Out of stock, average day
0.0%
Average rank
#151in Food Storage
Average rating
4.60 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,748per listing
Listings tracked
18

04 · Newcomers

Amazon counts 1 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 44 months on average, so the names here are settling in.

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

Products

Top Kilner Jars 0.5l products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 66% of clicks. Leaders hold, but buyers still shop past them.

£0£5K£9K£14K£18K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 flat

Sellers

52

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

0%

  • Kilner90%
  • Argon Tableware4%
  • Maison & White3%
  • ComSaf2%
  • ZENO1%

Demand

Kilner Jars 0.5l search demand

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

1K800Holiday '25Spike '26SepOctNovDecJanFebMarAprMayJunJul

Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 6.3× · 11 of 12 months tracked

Reviews and returns

What reviews say buyers love and hate about Kilner Jars 0.5l

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Durability19%−0.13

Breaks Easily

Broke after 2 uses

The jar cracked within a week of using it

Quality-Overall16%−0.07

Not great quality glass

Absolute rubbish

Very poor quality

Size-Overall14%+0.94

Jars a slightly smaller than I thought

a smaller one next time

Theyre a little larger than expected

Rusts/Corrodes7%−0.07

2 broken, washed the others and the wire fittings dried rusty, don't waste your money

Lid rusts

Very poor quality metal clasps rusted within a month

Smell5%−0.04

the strong rubber smell doesnt go

Smelly seals

Do not keep smells in the jar the best

Love

Quality-Overall27%−0.07

Good quality glass product

Good quality jar

Excellent quality

Value For Money16%+1.22

Good price

good value

Excellent value for money

Size-Overall15%+0.94

Good size for my needs

Right size

Just the right size for tea bags etc

Advertised Vs Actual Product11%+0.78

Exactly what I wanted

As described

good just the job

Storage Capacity8%+0.95

Perfect for storing almost anything you can think of in the kitchen

Good storage

A useful storage jar

Return

0.6% Return rate 79% Fixable by listing

Size-Overall66%▆▇▆█▇▇

Jars a slightly smaller than I thought

a smaller one next time

Theyre a little larger than expected

Defective Material/Parts9%▂▄█▄▆▇
Advertised Vs Actual Product4%█▁▇▂▃▆

The dimensions provided don't give enough information and are misleading

Its misleading the seal tops

Shape/Style3%▇█▂▅▃▂
Functionality-Overall2%█▃▂▃▃▂

FAQ

Common Kilner Jars 0.5l questions

Answered from the same tracked data.