17mm Flange Insert
FailThe top 5 products take 81% of clicks, so 17mm Flange Insert is a Fail.
- Flapen Score
- 38 / 100Ranks 1,756 of 2,472 Baby Products niches · −6 vs the category median of 4438
- Market size
- $150K/yr89K searches / yr
- 90-day growth
- +7.3%search demand this quarter
- Competition
- 81%top-5 click share · 9 brands · 11 sellers
Flapen Score
17mm Flange Insert against its category
The dotted line is the Baby Products average. Past it, 17mm Flange Insert is stronger. Inside it, weaker.
Market
The 17mm Flange Insert market on Amazon at a glance
Shoppers on Amazon United States searched for 17mm Flange Insert 89K times last year and spent an estimated $150K. The top 5 brands take 84% of clicks. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 15.5% of those searches ended in a purchase.
Shoppers searched for this 89K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 15.5% of those searches ended in a purchase. Searches in the last 90 days moved +7.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $150K a year.
- Searches, last 12 months
- 89K
- Growth, 90 days vs prior 90
- +7.3%
- Conversion, latest week
- 15.5%
- Market size, estimated
- $150Ka year
- Peak month
- May1.5× the quietest month
- Top search term
- 17mm flange insert49K searches a year
02 · Price
A sale here is worth $10.88.
Listings sell for $10.88 on average, from $6.58 to $16.78. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 1,250 to 1,500 of them. At $10.88 that is $14K to $16K a year per listing.
- Average price
- $10.88under the $15 to $100 sweet spot
- Price range
- $6.58–$16.78
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- $14K–$16K
- Returns
- 3.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 9.1% of listings are out of stock. The average listing ranks #47 within Breastfeeding. It carries 1,819 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 100%
- Out of stock, average day
- 9.1%
- Average rank
- #47in Breastfeeding
- Average rating
- 4.53 starsAmazon United States average 4.42 stars
- Average reviews
- 1,819per listing
- Listings tracked
- 12
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 32 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 32 months
Products
Top 17mm 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
Suniceme Flange Inserts 17mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges Reduce 24mm Nipple Tunnel Down to 17 mm 4PCS
- Price
- $8.02
- Rating
- 4.5/5
- Reviews
- 971
- Age
- 2y ago

17mm Flange Insert 6PC Compatible with 17mm Flange Spectra/Flange Inserts for Spectra/Momcozy Flange Inserts/Momcozy Wearable Breast Pump Flange Insert/Flange Inserts for Medela Pump/Willow/TSRETE
- Price
- $9.99
- Rating
- 4.5/5
- Reviews
- 562
- Age
- 2y ago

Flange Inserts 17mm 8PC Compatible with Momcozy S12 pro/S9 pro/S9/S10/S12/Medela/TSRETE/Spectra/Bellababy etc 24mm Wearable Breast Pump Reduce 24mm Tunnel Down to Correct Size
- Price
- $8.00
- Rating
- 4.6/5
- Reviews
- 347
- Age
- 2y ago

4Pcs Breast Pump Flange Insert 17mm 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
- $7.87
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago

Maymom Flange 17mm Insert Compatible with Medela/Spectra/Elvie/momcozy/tsrete/Willow/Motif Luna/Ameda MYA Breastpump 24mm Breast Shields. Reduce 24mm Niple Tunnel Down to 17mm
- Price
- $14.70
- Rating
- 4.5/5
- Reviews
- 3,517
- Age
- 3y ago
Trending
estimated 90-day click momentum
2PCS Flange Insert 17mm Compatible with Medela/Spectra/Willow/TSRETE/Momcozy S9/S12/S9Pro/S12Pro Breastpump 24mm Shields Reduce 24mm Nipple Tunnel Down to Correct Size Pump Parts Replace
- Price
- $6.58
- Rating
- 4.6/5
- Reviews
- 1,019
- Age
- 4y ago

4Pcs Breast Pump Flange Insert 17mm 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
- $7.87
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago

Momstouch 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Pump Parts Not Original Replace Accessories.
- Price
- $16.78
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 11mo ago

Flange Inserts 17mm 8PC Compatible with Momcozy S12 pro/S9 pro/S9/S10/S12/Medela/TSRETE/Spectra/Bellababy etc 24mm Wearable Breast Pump Reduce 24mm Tunnel Down to Correct Size
- Price
- $8.00
- Rating
- 4.6/5
- Reviews
- 347
- Age
- 2y ago

Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps Flange Sizing Kit Silicone Flanges Insert Breastfeeding Essentials Kit for New Moms
- Price
- $10.05
- Rating
- 4.6/5
- Reviews
- 2,006
- Age
- 2y ago
Newest
by launch date
Momstouch 17mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Pump Parts Not Original Replace Accessories.
- Price
- $16.78
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 11mo ago

4Pcs Breast Pump Flange Insert 17mm 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
- $7.87
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago

Suniceme Flange Inserts 17mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges Reduce 24mm Nipple Tunnel Down to 17 mm 4PCS
- Price
- $8.02
- Rating
- 4.5/5
- Reviews
- 971
- Age
- 2y ago

Nursi Luna Flange Inserts 10PCS 13/15/17/19/21mm for 24mm Flanges/Shield of Most Pumps Flange Sizing Kit Silicone Flanges Insert Breastfeeding Essentials Kit for New Moms
- Price
- $10.05
- Rating
- 4.6/5
- Reviews
- 2,006
- Age
- 2y ago

Nuliie 8PCS Silicone Flanges Insert Replacement Kit Flange Sizing Kit 17mm for 24mm Flange/Shield Breast Pumps Pumping Essential Kit for Moms
- Price
- $8.46
- Rating
- 4.6/5
- Reviews
- 4,179
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.
Brands
9 falling
Sellers
11
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
81%
Top 20: 100%
Open market
10%
- Suniceme37%
- Hranio30%
- Momstouch6%
- Maymom6%
- Nuliie6%
- GOCROWEEN5%
- Open — no brand owns it (3 brands, 10%)
Demand
17mm Flange Insert search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top 17mm Flange Insert search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 17mm flange insert49K/yr
- 17 mm flange inserts28K/yr
- size 17 flange inserts5K/yr
- flange inserts 17mm3K/yr
- 17 flange inserts2K/yr
- 17mm flange insert spectra2K/yr
Reviews and returns
What reviews say buyers love and hate about 17mm Flange Insert
We read the reviews and the return reasons for every product selling here.
“Need more sizes”
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.
16 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 17mm 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









