15mm Flange Insert
FailDemand is soft, at +0.9% this quarter, so 15mm Flange Insert is a Fail.
- Flapen Score
- 49 / 100Top 29% of 2,472 Baby Products niches · +5 vs the category median of 4449
- Market size
- $289K/yr132K searches / yr
- 90-day growth
- +0.9%search demand this quarter
- Competition
- 56%top-5 click share · 13 brands · 17 sellers
Flapen Score
15mm Flange Insert against its category
The dotted line is the Baby Products average. Past it, 15mm Flange Insert is stronger. Inside it, weaker.
Market
The 15mm Flange Insert market on Amazon at a glance
Shoppers on Amazon United States searched for 15mm Flange Insert 132K times last year and spent an estimated $289K. The top 5 brands take 77% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 16.8% of those searches ended in a purchase.
Shoppers searched for this 132K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.8% of those searches ended in a purchase. Searches in the last 90 days moved +0.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $289K a year.
- Searches, last 12 months
- 132K
- Growth, 90 days vs prior 90
- +0.9%
- Conversion, latest week
- 16.8%
- Market size, estimated
- $289Ka year
- Peak month
- July1.6× the quietest month
- Top search term
- 15mm flange insert34K searches a year
02 · Price
A sale here is worth $13.00.
Listings sell for $13.00 on average, from $6.97 to $32.48. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,000 to 1,250 of them. At $13.00 that is $13K to $16K a year per listing.
- Average price
- $13.00under the $15 to $100 sweet spot
- Price range
- $6.97–$32.48
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $13K–$16K
- Returns
- 4.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
96% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.9% of listings are out of stock. The average listing ranks #48 within Breastfeeding. It carries 2,601 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 96%
- Prime listings
- 100%
- Out of stock, average day
- 4.9%
- Average rank
- #48in Breastfeeding
- Average rating
- 4.48 starsAmazon United States average 4.42 stars
- Average reviews
- 2,601per listing
- Listings tracked
- 24
04 · Newcomers
2 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 3
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 33 months
Products
Top 15mm Flange Insert 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 12, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Flange Inserts 15mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges Reduce 24mm Nipple Tunnel Down to 15 mm 4PCS
- Price
- $8.24
- Rating
- 4.5/5
- Reviews
- 971
- Age
- 2y ago

Maymom 15mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve
- Price
- $19.68
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 3y ago

Momstouch 15mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.71
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago

IVARONAL Flange Insert 2PCS 15mm Compatible with Momcozy M9/M6/M5/S12 Pro/V1 Pro/V2 pro Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges (2pcs-15mm)
- Price
- $6.97
- Rating
- 4.5/5
- Reviews
- 848
- Age
- 2y ago

6Pcs Breast Pump Flange Insert 15mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
- Price
- $8.83
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago
Trending
estimated 90-day click momentum
Flange Inserts for Spectra Spectra Replacement Pump Parts for S1/S2/9 Plus Not Original Accessories Breast Pump Parts Include 2-Pack 15MM Flange and 4-Pack Duckbill Valves
- Price
- $9.74
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 2mo ago

Momcozy M5| M6| M9 Original Replacement Accessories Food-Grade Silicone & BPA Free Original Breastfeeding Parts Inserts 15mm 4 Pack
- Price
- $14.29
- Rating
- 4.3/5
- Reviews
- 2,611
- Age
- 10mo ago

TOVVILD 15mm Flange Inserts for 24mm Flange/Shield Compatible with Momcozy/MOMMED/Spectra Breast Pumps Pump Parts Replace (4PCS 15mm)
- Price
- $8.78
- Rating
- 4.4/5
- Reviews
- 1,539
- Age
- 1y ago

6Pcs Breast Pump Flange Insert 15mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
- Price
- $8.83
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago

Momcozy Flange Insert 15mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS 15mm
- Price
- $12.12
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 5mo ago
Newest
by launch date
Flange Inserts for Spectra Spectra Replacement Pump Parts for S1/S2/9 Plus Not Original Accessories Breast Pump Parts Include 2-Pack 15MM Flange and 4-Pack Duckbill Valves
- Price
- $9.74
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 2mo ago

Momcozy Flange Insert 15mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS 15mm
- Price
- $12.12
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 5mo ago

Momcozy M5| M6| M9 Original Replacement Accessories Food-Grade Silicone & BPA Free Original Breastfeeding Parts Inserts 15mm 4 Pack
- Price
- $14.29
- Rating
- 4.3/5
- Reviews
- 2,611
- Age
- 10mo ago

6Pcs Breast Pump Flange Insert 15mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro 24mm Flange
- Price
- $8.83
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago

2 Packs 15mm Flange Set Updated Soft Rim Shield and Wide Mouth Base Connector Pump Parts for Spectra S2 Spectra S1 9 Plus Breastpumps Accessories 106 Degree Wider Opening Angel
- Price
- $15.52
- Rating
- 3.9/5
- Reviews
- 170
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
17
Est. top-5 brand share
77%
Top 20: 100%
Est. top-5 click share
56%
Top 20: 95%
Open market
16%
- Maymom28%
- Suniceme22%
- BDICOVE10%
- Momstouch9%
- Momcozy8%
- IVARONAL7%
- Open — no brand owns it (7 brands, 16%)
Demand
15mm Flange Insert search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top 15mm Flange Insert search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 15mm flange insert34K/yr
- 15 mm flange insert26K/yr
- 15mm flange spectra15K/yr
- 15 mm flange spectra10K/yr
- spectra flange 15mm11K/yr
- 15mm flange7K/yr
- momcozy flange inserts 15mm6K/yr
- spectra 15mm flange5K/yr
- spectra 15mm flange set5K/yr
- 15 mm flange4K/yr
Reviews and returns
What reviews say buyers love and hate about 15mm Flange Insert
We read the reviews and the return reasons for every product selling here.
“These are huge”
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.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 15mm Flange Insert 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









