sterilising bags
Skip itPrices mostly outside the sweet spot ($5.20–$13.59) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Incredible13.1%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good1,043.75avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Avg price
Bad£8.22avg listing price — sweet spot $15–$100
Market size
Bad£89K£89K/yr · 82K searches
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-9.6%90-day search growth — must beat 0% to launch
Price range
Bad£5.20–£13.59cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, sterilising bags is a £89K/yr Amazon United Kingdom market (82K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 45/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
sterilising bags market data
- Units sold / yr
- 10K–13K
- avg 750–1,000/product
- Revenue / yr
- £82K–£103K
- units × avg price
- Conversion rate
- 13.1%
- Avg BSR
- #39
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.0%
- Avg brand age
- 55 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 rising
Sellers
35
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
13%
- Medela28%
- Bimirth22%
- Max Strength Pro16%
- ARDO9%
- haakaa7%
- Vital Baby5%
- Open — no brand owns it (5 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top sterilising bags search terms
- sterilising bags23K/yr
- microwave steriliser bag21K/yr
- sterilising bags microwave12K/yr
- steriliser bags9K/yr
- steriliser bags for baby bottles5K/yr
- microwave steriliser bags3K/yr
- medela sterilising bags microwave4K/yr
- medela microwave steriliser bags2K/yr
- medela sterilising bags2K/yr
Top sterilising bags 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Medela Quick Clean MicroSteam and Sterllising Microwave Bags for Bottles Breast Pump & Parts | Eliminates 99.9 of Common Bacteria Germs 5 Count
Medela£9.854.7★2,428 rev
Microwave Steriliser Bags Premium 10pc Pack by Max Strength Large & Durable Steam Bags for Baby Bottles Soothers Teethers & Training Cups 20 Uses Per Bag Marking System Chemical Free
Max Strength Pro£8.124.5★942 rev
Bimirth Microwave Steriliser Bags Pack of 16 Reusable Only 3 Minutes Cleaning Baby Bottles Pacifier Teethers & Training Cup Breast Pump Parts or Accessories 20 Uses Per Bag Chemical Free
Bimirth£7.894.3★119 rev
ARDO Microwave Bottle Steriliser Bag. Fast Easy Cleaning of Breast Pumps
ARDO£8.394.7★274 rev
Bimirth Microwave Steriliser Bags Steam Steriliser Bags Pack of 16 Reusable Cleaning Baby Bottles Pacifier Teethers & Training Cups 20 Uses Per Bag Only 3 Minutes Marking System Chemical Free
Bimirth£8.094.4★510 rev
Newest
by launch date
Microwave Steriliser Bags Large 10pcs Chemical-Free Steam Bags for Baby Bottles Teethers & Accessories 20 Uses Each Marking System Included
ZOPPER£6.1113 rev
Bimirth Microwave Steriliser Bags Pack of 16 Reusable Only 3 Minutes Cleaning Baby Bottles Pacifier Teethers & Training Cup Breast Pump Parts or Accessories 20 Uses Per Bag Chemical Free
Bimirth£7.89119 rev
haakaa Silicone Microwave Steriliser Bag for Baby Bottles Grey (1PC)
haakaa£13.5959 rev
ECOOPTS 12 Count Microwave Steam Sterilizer Bags Reusable Micro-Steam Bags for Baby Bottles and Breast Pump Sterilizer Parts Microwave Steam Bags
ECOOPTS£6.7092 rev
Bimirth Microwave Steriliser Bags Steam Steriliser Bags Pack of 16 Reusable Cleaning Baby Bottles Pacifier Teethers & Training Cups 20 Uses Per Bag Only 3 Minutes Marking System Chemical Free
Bimirth£8.09510 rev
Trending
90-day click momentumMicrowave Steriliser Bags Large 10pcs Chemical-Free Steam Bags for Baby Bottles Teethers & Accessories 20 Uses Each Marking System Included
ZOPPER£6.113.5★
Munchkin 6 Pack Cool Touch Baby Microwave Steriliser Bags
Munchkin£7.114.8★
Medela Quick Clean MicroSteam and Sterllising Microwave Bags for Bottles Breast Pump & Parts | Eliminates 99.9 of Common Bacteria Germs 5 Count
Medela£9.854.7★
haakaa Silicone Microwave Steriliser Bag for Baby Bottles Grey (1PC)
haakaa£13.593.7★
Microwave Steriliser Bags Premium 10pc Pack by Max Strength Large & Durable Steam Bags for Baby Bottles Soothers Teethers & Training Cups 20 Uses Per Bag Marking System Chemical Free
Max Strength Pro£8.124.5★
What buyers say about sterilising bags
What buyers praise and complain about, mined from review topics.What buyers love
“Theyre very simple to use and I like that theres a clear way to keep track of how many times each bag has been used, which is a thoughtful and practical feature”
“Great value for busy parents”
“Great product”
“Very useful for travelling”
“Ideal size”
“Easy to store”
“Plus, I really like the fact that you can pour the water away in a hole on the side and not end up accidentally spilling water everywhere”
“They also last a very long time as long as you don't overload them - if they are too full the zip lock can pull off from the plastic in the microwave even on the 1st use”
“Compact and easy to use”
“I can easily fit 2 bottle in one bag with all the attachments”
What buyers complain about
“Not as good as Munchkin brand”
“Small”
“Leaks”
“Seal breaks after only few uses”
“Opens during sterilisation”
“Instructions are also conflicting/vague”
“the steam hole was in an awkward place”
“The item does what its supposed to do however I do find it is quite flimsy”
“Can't even open the bqg mouth fully answer zipper comes out from the broken line”
“Don't waste your money”
Top return reasons
Common questions
- Is sterilising bags profitable to sell on Amazon United Kingdom?
- The niche generates £89K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -9.6%. Flapen's verdict: Skip it (45/100).
- How competitive is the sterilising bags niche?
- 11 brands and 35 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in sterilising bags?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Leak-Proof. The return rate is 0.5%.
- When does demand for sterilising bags peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the sterilising bags niche?
- Listings span £5.20–£13.59; the average listing price is £8.22 (sweet spot $15–$100). The average incumbent carries 1,044 reviews — the moat a new listing must climb.