breast milk storage
Skip itA small market ($39K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Price range
Good£3.68–£33.41cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Avg price
Okay£11.45avg listing price — sweet spot $15–$100
Review moat
Okay2,361.62avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top breast milk storage search terms
- breast milk storage33K/yr
- breastmilk storage9K/yr
- breast milk7K/yr
- milk storage6K/yr
- reusable breast milk storage bags4K/yr
- momcozy breast milk storage bags3K/yr
- momcozy milk storage bags4K/yr
- breastmilk containers5K/yr
- breast milk storage bag reusable3K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£9.984.8★2,633 rev
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£6.654.7★7,423 rev
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£7.634.7★1,366 rev
Medela Easy Pour Disposable Breastmilk Storage Bags 210 ml Capacity Leakproof Design with Milk Protection Made Without BPA Pack of 50
Medela£6.724.8★1,213 rev
Medela Breast Milk Storage Bottles - BPA-Free - Pack of 3 x 150 ml
Medela£9.234.8★6,010 rev
Newest
by launch date
Dushany 22oz Breast Milk Cooler Bag 24H Cold Portable with 2 Bottles
Dushany£33.415 rev
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£17.4030 rev
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£22.46134 rev
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£7.7791 rev
Medela Reusable Breast Milk Storage Bags with Wide Opening and Double-Seal Design One-Piece Fridge and Freezer Storable 220 ml 500 Uses
Medela£13.42203 rev
Trending
90-day click momentumDushany 22oz Breast Milk Cooler Bag 24H Cold Portable with 2 Bottles
Dushany£33.413.5★
Breastmilk Cooler Travel Bag with Ice Pack Portable Breastmilk Cooler Bag with Buckle Handle Insulated Breastmilk Storage Bag Cooler Black
Jaffzora£14.254.0★
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£15.664.0★
Philips Avent Reusable Breast Milk Storage Cups (10 x 180 ml)
PHILIPS£13.124.7★
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£17.404.7★
What buyers say about breast milk storage
What buyers praise and complain about, mined from review topics.What buyers love
“higher quality than I expected”
“Easy to use”
“No leaking”
“Good storage product”
“Good for the price”
“The bags clean super easily”
“The taste is quite herbal”
“The pack size was great value for money”
“Will do the job”
“Very durable material”
What buyers complain about
“measurement issue”
“leaks”
“Dont open easily”
“Quite Pricey for What You Get”
“Didn't work for me”
“Ive had better quality ones before from other brands these feel flimsy”
“No temperature sensor”
“These are way bigger than i thought they would be”
“it was rusty”
“one bottle lid got completely jammed shut ended up having to dispose of that one”
Top return reasons
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.