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Small Flask

Fail

Demand is soft, at -20.0% this quarter, so Small Flask is a Fail.

Flapen Score
46
46 / 100
Ranks 3,831 of 5,777 Home & Garden niches · −5 vs the category median of 51
Market size
£75K/yr255K searches / yr
90-day growth
-20.0%search demand this quarter
Competition
39%top-5 click share · 28 brands · 83 sellers

Flapen Score

Small Flask against its category

The dotted line is the Home & Garden average. Past it, Small Flask is stronger. Inside it, weaker.

46Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Small Flask market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Small Flask 255K times last year and spent an estimated £75K. The top 5 brands take 75% of clicks. Demand peaks in Jan–Nov. Flapen scores it 46 out of 100, a Fail.

01 · Demand

An estimated 3.0% of those searches ended in a purchase.

Shoppers searched for this 255K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 3.0% of those searches ended in a purchase. Searches in the last 90 days moved -20.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £75K a year.

Searches, last 12 months
255K
Growth, 90 days vs prior 90
-20.0%
Conversion, latest week
3.0%
Market size, estimated
£75Ka year
Peak month
January1.9× the quietest month
Top search term
small flask47K searches a year

02 · Price

A sale here is worth £9.87.

Listings sell for £9.87 on average, from £6.27 to £26.47. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 100 to 250 of them. At £9.87 that is £987 to £2K a year per listing.

Average price
£9.87under the $15 to $100 sweet spot
Price range
£6.27–£26.47
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
100–250
Revenue per listing a year
£987–£2K
Returns
1.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

69% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.8% of listings are out of stock. The average listing ranks #203 within Vacuum Flasks. It carries 6,064 reviews at 4.31 stars, so a new listing needs social proof before a better product.

Sponsored listings
69%
Prime listings
100%
Out of stock, average day
0.8%
Average rank
#203in Vacuum Flasks
Average rating
4.31 starsAmazon United Kingdom average 4.36 stars
Average reviews
6,064per listing
Listings tracked
55

04 · Newcomers

0 of last year's 12 launches cleared the first-year sales bar.

12 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 46 months on average, so the names here are settling in.

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

Products

Top Small Flask 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 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 39% of clicks, no more. An open shelf where new products get seen.

£0£2K£4K£7K£9K101001K10K100K1.0M Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

28 falling

Sellers

83

Est. top-5 brand share

75%

Top 20: 95%

Est. top-5 click share

39%

Top 20: 71%

Open market

23%

  • Exllena31%
  • Thermos30%
  • YUEHAI6%
  • YDYxieji5%
  • MILTON3%
  • DJDL3%

Demand

Small Flask search demand

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

7K5KSpike '24Black Friday '24Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Nov · busiest ÷ quietest = 1.9×

Search terms

Top Small Flask search terms shoppers use

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

  • small flask47K/yr
  • small thermos flasks33K/yr
  • small flask for hot drinks36K/yr
  • mini flask24K/yr
  • small coffee flask13K/yr
  • milk flask10K/yr
  • small thermos flasks for hot drinks12K/yr
  • small thermos flask9K/yr
  • small flask for milk8K/yr
  • small thermos10K/yr

Reviews and returns

What reviews say buyers love and hate about Small Flask

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

20%of positive reviews mention “Size-Overall”
15%of negative reviews mention “Heating”
1.6%of orders come back
“Doesnt hold heat as described”
A buyer, on “Heating”15% 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.

15 topics

NegativePositive

FAQ

Common Small Flask 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