Kilner Jars
brand-locked demand (top 5 brands take 100% of clicks) — Kilner Jars doesn't clear our bar today.
Flapen Score
Ranks 4,947 of 5,777 Home & Garden niches · −12 vs the category median of 51
Is Kilner Jars profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Kilner Jars is a £426K/yr Amazon United Kingdom market (576K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Kilner Jars: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -15.0% over the last 90 days and 8.6% of searches end in a purchase.
£426K
revenue / yr
Who owns the niche?
The top 5 brands hold 100% of demand, so 0% of the market is open.
0%
open market share
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 · 13 products
Top Kilner Jars products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Kilner Clip Top Jar 1 Litre (1000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta
- Price
- £3.45
- Rating
- 4.7/5
- Reviews
- 5,001
- Age
- 20y ago

Kilner Clip Top Jar 2 Litre (2000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta
- Price
- £5.00
- Rating
- 4.7/5
- Reviews
- 5,686
- Age
- 20y ago

Kilner Preserve Jar 0.5L (500ml) Round Glass Screw Top Lid Preservation Storage Jar for Jams Chutneys Small Pickled Fruits
- Price
- £2.27
- Rating
- 4.6/5
- Reviews
- 3,565
- Age
- 19y ago

Kilner Set of 3 Round Clip Top Jars 0.5 Litre (3 x 500ml) Airtight Glass Storage Jars for Preserving Jams Dry Foods Reusable
- Price
- £10.41
- Rating
- 4.7/5
- Reviews
- 816
- Age
- 5y ago

Kilner Preserve Jar 1L (1000ml) Round Glass Screw Top Lid Preservation Storage Jar for Pickling Vegetables Whole Fruits Chunky Chutneys
- Price
- £2.88
- Rating
- 4.6/5
- Reviews
- 2,474
- Age
- 15y ago
Trending
90-day click momentum
Kilner Square Clip Top Jar 250ml (0.25L) Airtight Glass Jar for Storing Herbs Spices Dried Fruits Nuts and Seeds
- Price
- £4.54
- Rating
- 4.4/5
- Reviews
- 77
- Age
- 2y ago

Kilner Clip Top Jar 2 Litre (2000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta
- Price
- £5.00
- Rating
- 4.7/5
- Reviews
- 5,686
- Age
- 20y ago

Kilner Square Clip Top Jar 3L (3000ml) Airtight Glass Jar for Preserving Whole Fruits Vegetables and Storing Cereals Pasta Nests Pet Biscuits
- Price
- £10.70
- Rating
- 4.5/5
- Reviews
- 160
- Age
- 2y ago

Kilner Preserve Jar 1L (1000ml) Round Glass Screw Top Lid Preservation Storage Jar for Pickling Vegetables Whole Fruits Chunky Chutneys
- Price
- £2.88
- Rating
- 4.6/5
- Reviews
- 2,474
- Age
- 15y ago

Kilner Clip Top Jar 1 Litre (1000ml) Airtight Glass Storage Jar for Preserving Fruits Vegetables Coffee Tea Rice Flour Nuts Pasta
- Price
- £3.45
- Rating
- 4.7/5
- Reviews
- 5,001
- Age
- 20y ago
Newest
by launch date
HEFTMAN Clip Top Glass Jars Set of 6-1 Litre Airtight Glass Jars with Lids & Silicone Seal for Pasta Sourdough Starter Chutney Pickling Kitchen Organisation - Empty Food Storage Jar Set (6 Pack)
- Price
- £17.18
- Rating
- 4.7/5
- Reviews
- 159
- Age
- 1y ago

Kilner Square Clip Top Jar 250ml (0.25L) Airtight Glass Jar for Storing Herbs Spices Dried Fruits Nuts and Seeds
- Price
- £4.54
- Rating
- 4.4/5
- Reviews
- 77
- Age
- 2y ago

Kilner Square Clip Top Jar 3L (3000ml) Airtight Glass Jar for Preserving Whole Fruits Vegetables and Storing Cereals Pasta Nests Pet Biscuits
- Price
- £10.70
- Rating
- 4.5/5
- Reviews
- 160
- Age
- 2y ago

Kilner Square Clip Top Jar Set of 3 1 Litre (1000ml) Airtight Glass Jars for Storing Coffee Beans Pickling Vegetables Chutneys Pasta Nuts BPA-Free Dishwasher Safe
- Price
- £12.80
- Rating
- 4.6/5
- Reviews
- 510
- Age
- 4y ago

Kilner Set of 3 Round Clip Top Jars 0.5 Litre (3 x 500ml) Airtight Glass Storage Jars for Preserving Jams Dry Foods Reusable
- Price
- £10.41
- Rating
- 4.7/5
- Reviews
- 816
- Age
- 5y ago
Competition: brands, sellers & click share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
Brands
2 falling
Sellers
47
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
0%
- Kilner98%
- HEFTMAN2%
- Open — no brand owns it (0%)
Kilner Jars demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.6×
Top Kilner Jars search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- kilner jars390K/yr
- kilner95K/yr
- kilner jar66K/yr
- kilner clip top jars5K/yr
- kilner jars uk4K/yr
- glass kilner jars3K/yr
- kilner storage jars5K/yr
- kilner preserving jars4K/yr
- killer jar3K/yr
What reviews say buyers love and hate about Kilner Jars
What buyers mention most, as a share of all reviews.
What buyers love
87% of reviews“Great producT”
“Great value”
“Excellent jars in all sizes”
“great storage capacity”
“Does the job”
What buyers complain about
78% of reviews“Not great quality glass”
“Breaks Easily”
“Not fit for purpose”
“Lid rusts”
“Misleading”
Kilner Jars return rate & reasons
Why buyers send it back, as a share of all return requests.
0.8%
Return rate
74%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Kilner Jars questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









