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Milk Collection Shells

Fail

Shoppers spend an estimated $33K a year here, so Milk Collection Shells is a Fail.

Flapen Score
43
43 / 100
Ranks 433 of 638 Baby Products niches · −4 vs the category median of 47
Market size
£33K/yr26K searches / yr
90-day growth
-25.2%search demand this quarter
Competition
71%top-5 click share · 9 brands · 14 sellers

Flapen Score

Milk Collection Shells against its category

The dotted line is the Baby Products average. Past it, Milk Collection Shells is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Milk Collection Shells market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Milk Collection Shells 26K times last year and spent an estimated £33K. The top 5 brands take 90% of clicks. Demand peaks in Aug–Sep. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 10.5% of those searches ended in a purchase.

Shoppers searched for this 26K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 10.5% of those searches ended in a purchase. Searches in the last 90 days moved -25.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £33K a year.

Searches, last 12 months
26K
Growth, 90 days vs prior 90
-25.2%
Conversion, latest week
10.5%
Market size, estimated
£33Ka year
Peak month
September1.7× the quietest month
Top search term
breast shells milk collection4K searches a year

02 · Price

A sale here is worth £11.92.

Listings sell for £11.92 on average, from £5.43 to £25.29. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At £11.92 that is £1K to £3K a year per listing.

Average price
£11.92under the $15 to $100 sweet spot
Price range
£5.43–£25.29
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
2K–2K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
1.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

93% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.6% of listings are out of stock. The average listing ranks #36 within Nursing & Feeding. It carries 2,169 reviews at 4.23 stars, so a new listing needs social proof before a better product.

Sponsored listings
93%
Prime listings
100%
Out of stock, average day
9.6%
Average rank
#36in Nursing & Feeding
Average rating
4.23 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,169per listing
Listings tracked
15

04 · Newcomers

3 of last year's 7 launches cleared the first-year sales bar.

7 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 48 months on average, so the names here are settling in.

Launched, last 12 months
7
Successful launches
3Amazon's first-year sales bar
Average brand age
48 months

Products

Top Milk Collection Shells 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 18, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.

£0£3K£7K£10K£13K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 flat

Sellers

14

Est. top-5 brand share

90%

Top 20: 100%

Est. top-5 click share

71%

Top 20: 100%

Open market

7%

  • Elvie45%
  • Lictin15%
  • haakaa14%
  • Medela12%
  • Aolso5%
  • KooingTech3%
  • Open — no brand owns it (3 brands, 7%)

Demand

Milk Collection Shells search demand

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

1K800Spike '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 1.7×

Search terms

Top Milk Collection Shells search terms shoppers use

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

  • breast shells milk collection4K/yr
  • breast shells7K/yr
  • elvie catch5K/yr
  • milk collection shells10K/yr
  • elvie catch breast milk collection cups1K/yr

Reviews and returns

What reviews say buyers love and hate about Milk Collection Shells

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

25%of positive reviews mention “Leak-Proof”
33%of negative reviews mention “Leak-Proof”
1.1%of orders come back
“Not leak proof”
A buyer, on “Leak-Proof”33% 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 Milk Collection Shells 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