Momcozy S12 Pro Flange Insert
FailThe top 5 brands take 93% of clicks, so Momcozy S12 Pro Flange Insert is a Fail.
- Flapen Score
- 41 / 100Ranks 1,495 of 2,472 Baby Products niches · −3 vs the category median of 4441
- Market size
- $70K/yr98K searches / yr
- 90-day growth
- -14.0%search demand this quarter
- Competition
- 54%top-5 click share · 8 brands · 11 sellers
Flapen Score
Momcozy S12 Pro Flange Insert against its category
The dotted line is the Baby Products average. Past it, Momcozy S12 Pro Flange Insert is stronger. Inside it, weaker.
Market
The Momcozy S12 Pro Flange Insert market on Amazon at a glance
Shoppers on Amazon United States searched for Momcozy S12 Pro Flange Insert 98K times last year and spent an estimated $70K. The top 5 brands take 93% of clicks. Demand peaks in Feb–Mar–Apr–May–Jun. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 5.7% of those searches ended in a purchase.
Shoppers searched for this 98K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.7% of those searches ended in a purchase. Searches in the last 90 days moved -14.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $70K a year.
- Searches, last 12 months
- 98K
- Growth, 90 days vs prior 90
- -14.0%
- Conversion, latest week
- 5.7%
- Market size, estimated
- $70Ka year
- Peak month
- May4.7× the quietest month
- Top search term
- momcozy flange inserts38K searches a year
02 · Price
A sale here is worth $12.44.
Listings sell for $12.44 on average, from $6.92 to $34.29. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At $12.44 that is $3K to $6K a year per listing.
- Average price
- $12.44under the $15 to $100 sweet spot
- Price range
- $6.92–$34.29
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $3K–$6K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 14.4% of listings are out of stock. The average listing ranks #38 within Breastfeeding. It carries 1,416 reviews at 4.40 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 92%
- Prime listings
- 100%
- Out of stock, average day
- 14.4%
- Average rank
- #38in Breastfeeding
- Average rating
- 4.40 starsAmazon United States average 4.42 stars
- Average reviews
- 1,416per listing
- Listings tracked
- 24
04 · Newcomers
7 of last year's 9 launches cleared the first-year sales bar.
9 products launched here in the last 12 months. 7 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 9
- Successful launches
- 7Amazon's first-year sales bar
- Average brand age
- 29 months
Products
Top Momcozy S12 Pro 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
Momcozy M5| M6| M9 Original Replacement Accessories Food-Grade Silicone & BPA Free Original Breastfeeding Parts Inserts 19mm 4 Pack
- Price
- $14.04
- Rating
- 4.3/5
- Reviews
- 2,611
- Age
- 10mo ago

Momcozy M5| M6| M9 Original Replacement Accessories Food-Grade Silicone & BPA Free Original Breastfeeding Parts Inserts 15/17/19/21mm
- Price
- $14.02
- Rating
- 4.3/5
- Reviews
- 2,611
- Age
- 10mo ago

Momcozy Flange Insert 15/17/19/21mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS
- Price
- $11.98
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 5mo ago

Flange Insert 13/15/17/19/21mm 10PCS Compatible with Momcozy S12 Pro/S9 Pro/S12/S9/Medela/Spectra etc Electric Breast Pump 24mm Flange/Shield Reduce 24mm Tunnel Down to Correct Size
- Price
- $7.34
- Rating
- 4.6/5
- Reviews
- 583
- Age
- 2y 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
Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS 21mm
- Price
- $11.91
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 4mo ago

Momcozy Pumping Bra for Wearable Breast Pump Nursing & Pumping Bra in One Hands Free Pump Bra Suitable for M5 S12 Pro etc Black
- Price
- $34.29
- Rating
- 3.9/5
- Reviews
- 209
- Age
- 2y ago

Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack
- Price
- $21.64
- Rating
- 4.4/5
- Reviews
- 1,175
- Age
- 5mo ago

Momcozy M5| M6| M9 Original Replacement Accessories Food-Grade Silicone & BPA Free Original Breastfeeding Parts Inserts 17mm 4 Pack
- Price
- $14.20
- Rating
- 4.3/5
- Reviews
- 2,611
- Age
- 10mo ago

Momcozy Flange Insert 19mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS 19mm
- Price
- $12.02
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 5mo ago
Newest
by launch date
Momcozy Flange Insert 21mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS 21mm
- Price
- $11.91
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 4mo ago

Momcozy Flange Insert 19mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS 19mm
- Price
- $12.02
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 5mo 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 Flange Insert 15/17/19/21mm Compatible with 24mm Flange/Shield of Most Pumps Fit for Momcozy S9Pro/S12Pro/S12Pro-Quick Replacement Accessories 4PCS
- Price
- $11.98
- Rating
- 4.3/5
- Reviews
- 1,166
- Age
- 5mo ago

Momcozy Original Replacement Accessories for Upgraded Mobile Flow | Upgraded M9 Original Upgraded M9 Breastfeeding Parts 24mm Flange 1 Pack
- Price
- $21.64
- Rating
- 4.4/5
- Reviews
- 1,175
- Age
- 5mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 54% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 falling
Sellers
11
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
54%
Top 20: 96%
Open market
2%
- Momcozy58%
- Nursi Luna11%
- IVARONAL10%
- LOTBILL8%
- Parner6%
- Nuliie5%
- Open — no brand owns it (2 brands, 2%)
Demand
Momcozy S12 Pro Flange Insert search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 4.7×
Search terms
Top Momcozy S12 Pro Flange Insert search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- momcozy flange inserts38K/yr
- mom cozy flange inserts16K/yr
- momcozy flange10K/yr
- momcozy s12 pro flange8K/yr
- momcozy flange inserts 21mm5K/yr
- momcozy flanges4K/yr
- momcozy inserts3K/yr
- momcozy 21mm flange insert3K/yr
- mom cozy s12 pro flange inserts2K/yr
- momcozy s12 pro flange insert5K/yr
Reviews and returns
What reviews say buyers love and hate about Momcozy S12 Pro Flange Insert
We read the reviews and the return reasons for every product selling here.
“Does NOT fit”
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 Momcozy S12 Pro 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









