---
title: "Breast Milk Storage — £39K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/baby-products/breast-milk-storage"
last_updated: "2026-08-10T10:20:12.893Z"
locale: en
meta:
description: "Niche score 46/100 · £39K/yr market · 73K searches/yr · £11.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £39K/yr market · 73K searches/yr · £11.45 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Breast Milk Storage — £39K/yr Amazon UK Niche (2026) - Flapen"
---
# **breast milk storage**
**Skip it**
A small market ($39K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 23Conversion 55Competition 67Returns 98Price range 62Avg price 45Brand share 48Review moat 41Quality gap 32
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Competition**
**Good****45%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****£3.68–£33.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****4.7%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****£11.45**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****2,361.62**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-3.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£39K**
£39K/yr · 73K searches
According to Flapen's Amazon United Kingdom niche tracking, breast milk storage is a £39K/yr Amazon United Kingdom market (73K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 46/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **breast milk storage market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **£34K–£46K**
- units × avg price
- **Conversion rate**
- **4.7%**
- **Avg BSR**
- **#24**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **6.1%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**45**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**45%**
Top 20: 91%
**Open market**
**19%**
- Lansinoh21% - momcozy20% - Medela17% - COZYPEPE12% - Nuliie7% - Sterifeed5%
## **Demand & seasonality**
Weekly Amazon search volume, last 80 weeks — -3.5% search growth over the last 90 days.
2K1KPrime Day '25 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/baby-products/breast-milk-storage/trend)
## **Top breast milk storage search terms**
- **breast milk storage**33K/yr-3.2%5.2% conv. - **breastmilk storage**9K/yr-16.0%4.3% conv. - **breast milk**7K/yr+6.4%1.6% conv. - **milk storage**6K/yr+14.5%2.8% conv. - **reusable breast milk storage bags**4K/yr+6.0%4.9% conv. - **momcozy breast milk storage bags**3K/yr+29.9%8.4% conv. - **momcozy milk storage bags**4K/yr-26.0%10.1% conv. - **breastmilk containers**5K/yr-14.6%2.9% conv. - **breast milk storage bag reusable**3K/yr-9.6%5.9% conv. [**All search terms **](https://flapen.com/research/uk/baby-products/breast-milk-storage/search-terms)
## **Top breast milk storage products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%£2K8%£3K12%£5K16%£6K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**50PCS Momcozy Breastmilk Storing Bags Temp-Sensing Discoloration Milk Storing Bags for Breastfeeding Disposable Milk Storage Bag with 6oz Self Standing No-Leak Milk Freezer Storage Pouches**momcozy**£9.98**4.8★2,633 rev](https://www.amazon.co.uk/dp/B0CFTPV74K) [2**Lansinoh Breast Milk Storage Bags - Pre-Sterilised Leakproof & BPA/BPS-Free - Fridge & Freezer Breastmilk Pouches - Pump into bag with Lansinoh Breast Pumps - Breastfeeding Essentials - 50 Pack**Lansinoh**£6.65**4.7★7,423 rev](https://www.amazon.co.uk/dp/B0037XQT7A) [3**100 Pcs Breastmilk Storage Bags 8oz/250ml Breast Milk Storing Bag with Pour Spout Temperature-Sensing Color Change Milk Bag for Convenient Breastfeeding No Leak Presterilized for Freezer**COZYPEPE**£7.63**4.7★1,366 rev](https://www.amazon.co.uk/dp/B0DWK7FHY7) [4**Medela Easy Pour Disposable Breastmilk Storage Bags 210 ml Capacity Leakproof Design with Milk Protection Made Without BPA Pack of 50**Medela**£6.72**4.8★1,213 rev](https://www.amazon.co.uk/dp/B0D97THKQK) [5**Medela Breast Milk Storage Bottles - BPA-Free - Pack of 3 x 150 ml**Medela**£9.23**4.8★6,010 rev](https://www.amazon.co.uk/dp/B000OE2XFC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dushany 22oz Breast Milk Cooler Bag 24H Cold Portable with 2 Bottles**Dushany**£33.41**5 rev5mo ago](https://www.amazon.co.uk/dp/B0GJ68XMBW) [**Lansinoh Silicone Breast Milk Storage Bag Leak-Proof with Wide Opening Double Seal - 5 Pack 240 ml - Reusable Milk Storage Bags for Fridge/Freezer - Includes Chalk Marker - Breastfeeding Essentials**Lansinoh**£17.40**30 rev7mo ago](https://www.amazon.co.uk/dp/B0G5Z1ZXLC) [**Momcozy Natural Baby Bottle 300ml Wide-Neck Breast Milk Container Breastmilk Storage Bottle for Fridge & Momcozy Breast Milk Cooler BPA Free Milk Collection Bottles Breastfeeding Essential 4PCS**momcozy**£22.46**134 rev11mo ago](https://www.amazon.co.uk/dp/B0FH527QB8) [**BALIME 6oz Breast Milk Storage Bottles Compatible with Spectra Breast Pumps BPA-Free Leak-Proof Design Dual Use as Breastmilk Storage Containers for Fridge or Freezer4-Pack**BALIME**£7.77**91 rev1y ago](https://www.amazon.co.uk/dp/B0F1G825LG) [**Medela Reusable Breast Milk Storage Bags with Wide Opening and Double-Seal Design One-Piece Fridge and Freezer Storable 220 ml 500 Uses**Medela**£13.42**203 rev1y ago](https://www.amazon.co.uk/dp/B0F2B5SVTD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dushany 22oz Breast Milk Cooler Bag 24H Cold Portable with 2 Bottles**Dushany**£33.41**3.5★**▲ 298%**](https://www.amazon.co.uk/dp/B0GJ68XMBW) [**Breastmilk Cooler Travel Bag with Ice Pack Portable Breastmilk Cooler Bag with Buckle Handle Insulated Breastmilk Storage Bag Cooler Black**Jaffzora**£14.25**4.0★**▲ 163%**](https://www.amazon.co.uk/dp/B0DLB2XMPZ) [**2 Pack Glass Breast Milk Storage Bottles 32oz/900ML Clear Breastmilk Storage Jar with Pitcher Leak-Proof Wide-Mouth Mason Jar for Breastmilk Resistant to Heat or Cold Freezer-Safe**OunglyChoi**£15.66**4.0★**▲ 156%**](https://www.amazon.co.uk/dp/B0DWMRYLRP) [**Philips Avent Reusable Breast Milk Storage Cups (10 x 180 ml)**PHILIPS**£13.12**4.7★**▲ 138%**](https://www.amazon.co.uk/dp/B00M6POLOS) [**Lansinoh Silicone Breast Milk Storage Bag Leak-Proof with Wide Opening Double Seal - 5 Pack 240 ml - Reusable Milk Storage Bags for Fridge/Freezer - Includes Chalk Marker - Breastfeeding Essentials**Lansinoh**£17.40**4.7★**▲ 118%**](https://www.amazon.co.uk/dp/B0G5Z1ZXLC)
**~~View all trending →~~**
## **What buyers say about breast milk storage**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“higher quality than I expected”*
**Ease Of Use**13%
*“Easy to use”*
**Leak-Proof**12%
*“No leaking”*
**Storage Capacity**11%
*“Good storage product”*
**Value For Money**6%
*“Good for the price”*
**Ease Of Cleaning**5%
*“The bags clean super easily”*
**Taste-Overall**4%
*“The taste is quite herbal”*
**Size-Overall**4%
*“The pack size was great value for money”*
**Advertised Vs Actual Product**3%
*“Will do the job”*
**Durability**3%
*“Very durable material”*
### **What buyers complain about **
**Measurement/Reading Accuracy**13%
*“measurement issue”*
**Leak-Proof**10%
*“leaks”*
**Ease Of Use**6%
*“Dont open easily”*
**Value For Money**3%
*“Quite Pricey for What You Get”*
**Functionality-Overall**3%
*“Didn't work for me”*
**Quality-Overall**2%
*“Ive had better quality ones before from other brands these feel flimsy”*
**Temperature Control**2%
*“No temperature sensor”*
**Size-Overall**2%
*“These are way bigger than i thought they would be”*
**Rusts/Corrodes**2%
*“it was rusty”*
**Jamming/Clogging**2%
*“one bottle lid got completely jammed shut ended up having to dispose of that one”*
### **Top return reasons **
**Leak-Proof**19%
**Size-Overall**18%
**Breastfeeding Friendly**16%
**Quality-Overall**8%
**Advertised Vs Actual Product**5%
**Functionality-Overall**5%
**Material Quality**4%
**Compatibility-Overall**3%
**Product Condition**2%
**Value For Money**2%
## **Common questions**
- **Is breast milk storage profitable to sell on Amazon United Kingdom?**
- The niche generates £39K/yr across 29 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Skip it (46/100).
- **How competitive is the breast milk storage niche?**
- 18 brands and 45 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in breast milk storage?**
- Top complaints mined from reviews: Measurement/Reading Accuracy, Leak-Proof, Ease Of Use. The return rate is 0.5%.
- **When does demand for breast milk storage peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the breast milk storage niche?**
- Listings span £3.68–£33.41; the average listing price is £11.45 (sweet spot $15–$100). The average incumbent carries 2,362 reviews — the moat a new listing must climb.
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