Lansinoh Flange Inserts
FailPrices span $7.75–$13.81, mostly outside the sweet spot, so Lansinoh Flange Inserts is a Fail.
- Flapen Score
- 26 / 100Ranks 2,348 of 2,472 Baby Products niches · −18 vs the category median of 4426
- Market size
- $41K/yr55K searches / yr
- 90-day growth
- -9.1%search demand this quarter
- Competition
- 88%top-5 click share · 6 brands · 10 sellers
Flapen Score
Lansinoh Flange Inserts against its category
The dotted line is the Baby Products average. Past it, Lansinoh Flange Inserts is stronger. Inside it, weaker.
Market
The Lansinoh Flange Inserts market on Amazon at a glance
Shoppers on Amazon United States searched for Lansinoh Flange Inserts 55K times last year and spent an estimated $41K. The top 5 brands take 97% of clicks. Flapen scores it 26 out of 100, a Fail.
01 · Demand
An estimated 7.6% of those searches ended in a purchase.
Shoppers searched for this 55K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.6% of those searches ended in a purchase. Searches in the last 90 days moved -9.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $41K a year.
- Searches, last 12 months
- 55K
- Growth, 90 days vs prior 90
- -9.1%
- Conversion, latest week
- 7.6%
- Market size, estimated
- $41Ka year
- Peak month
- August1.4× the quietest month
- Top search term
- lansinoh flange inserts18K searches a year
02 · Price
A sale here is worth $9.88.
Listings sell for $9.88 on average, from $7.75 to $13.81. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At $9.88 that is $2K to $5K a year per listing.
- Average price
- $9.88under the $15 to $100 sweet spot
- Price range
- $7.75–$13.81
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $2K–$5K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #110 within Breastfeeding. It carries 2,151 reviews at 4.61 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #110in Breastfeeding
- Average rating
- 4.61 starsAmazon United States average 4.42 stars
- Average reviews
- 2,151per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are young.
The brands on the shelf have sold for 34 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 34 months
Products
Top Lansinoh Flange Inserts 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
Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count
- Price
- $7.75
- Rating
- 4.6/5
- Reviews
- 3,697
- Age
- 5y ago

Nuliie 3-in-1 Flange Sizing Kit 13/15/17/19/21mm for 24mm Electric Double Breast Pump Flange/Shield 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Essential for Moms
- Price
- $9.68
- Rating
- 4.6/5
- Reviews
- 4,179
- 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

Lansinoh ComfortFit Breast Pump Flanges Size 28mm 2 Count
- Price
- $11.85
- Rating
- 4.6/5
- Reviews
- 3,697
- Age
- 5y ago

Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping BPA-Free Essential for Moms
- Price
- $9.87
- Rating
- 4.6/5
- Reviews
- 2,081
- Age
- 2y ago
Trending
estimated 90-day click momentum
4Pcs Breast Pump Flange Insert 19mm 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
- $7.90
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago

Lansinoh ComfortFit Breast Pump Flanges Size 28mm 2 Count
- Price
- $11.85
- Rating
- 4.6/5
- Reviews
- 3,697
- Age
- 5y 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

Maymom Compatible 17mm Breastshield Flange for Lansinoh Breastpump & Valve. Not Original Lansinoh Pump Parts. Replace Lansinoh Flange ComfortFit. Work with Lansinoh SignaturePro SmartPump Manual Pumps
- Price
- $13.81
- Rating
- 4.8/5
- Reviews
- 695
- Age
- 6y ago

Lansinoh ComfortFit Breast Pump Flanges Size 21mm 2 Count
- Price
- $7.75
- Rating
- 4.6/5
- Reviews
- 3,697
- Age
- 5y ago
Newest
by launch date
4Pcs Breast Pump Flange Insert 19mm 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
- $7.90
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago

Nursi Luna Flange Sizing Kit 3-in-1 with 13/15/17/19/21mm for 24mm Electric Breast Pump Flanges/Shields 10PCS Soft Silicone Flange Inserts for More Comfortable Pumping BPA-Free Essential for Moms
- Price
- $9.87
- Rating
- 4.6/5
- Reviews
- 2,081
- Age
- 2y ago

Flange Inserts 13/15/17/19/21mm for 24mm Flange/Shield of Most Pumps Compatible with Momcozy KISSBOBO Lansinoh Elvie Willow go Spectra Medela Freestyle Flex Pump Shields10PCS
- Price
- $8.13
- Rating
- 4.6/5
- Reviews
- 221
- 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 3-in-1 Flange Sizing Kit 13/15/17/19/21mm for 24mm Electric Double Breast Pump Flange/Shield 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Essential for Moms
- Price
- $9.68
- Rating
- 4.6/5
- Reviews
- 4,179
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 88% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
10
Est. top-5 brand share
97%
Top 20: 100%
Est. top-5 click share
88%
Top 20: 100%
Open market
0%
- Lansinoh59%
- Nursi Luna16%
- Nuliie13%
- Luxemum5%
- BDICOVE4%
- Maymom3%
Demand
Lansinoh Flange Inserts search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Lansinoh Flange Inserts search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- lansinoh flange inserts18K/yr
- lansinoh flange12K/yr
- lansinoh flanges4K/yr
- flange inserts for lansinoh pump5K/yr
- lansinoh manual breast pump flange4K/yr
- lansinoh breast pump flange4K/yr
- lansinoh pump flange3K/yr
- lansinoh discreet duo flange inserts4K/yr
- lansinoh 21mm flange1K/yr
- lansinoh flange 21mm1K/yr
Reviews and returns
What reviews say buyers love and hate about Lansinoh Flange Inserts
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 Lansinoh Flange Inserts 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









