13mm Flange Insert
a small market ($61K/yr) — 13mm Flange Insert doesn't clear our bar today.
Flapen Score
Ranks 1,202 of 2,472 Baby Products niches · on the category median
Is 13mm Flange Insert profitable on Amazon?
According to Flapen's Amazon United States niche tracking, 13mm Flange Insert is a $61K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 44/100.
13mm Flange Insert: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +0.2% over the last 90 days and 12.8% of searches end in a purchase.
$61K
revenue / yr
Who owns the niche?
The top 5 brands hold 81% of demand, so 19% of the market is open.
19%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 26 products
Top 13mm Flange Insert products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
6Pcs Breast Pump Flange Insert 13mm 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
- $8.87
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago
Maymom 13mm 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
- $19.63
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 3y ago
Maymom Flange Inserts 13 mm for Medela Spectra 24 mm Shields/Flanges Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle Harmony to Reduce 24mm Nipple Tunnel Down to 13 mm; 2pc/Each
- Price
- $14.69
- Rating
- 4.4/5
- Reviews
- 4,784
- Age
- 3y ago
4Pcs Breast Pump Flange Insert 13mm 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
Flange Inserts 13mm 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
- $7.99
- Rating
- 4.6/5
- Reviews
- 347
- Age
- 2y ago
Trending
90-day click momentum
Nenesupply 13mm Oval Flanges Compatible with Medela Breast Pump Parts Replace Medela Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex
- Price
- $14.61
- Rating
- 4.4/5
- Reviews
- 4,444
- Age
- 3y ago
6pcs Updated Silicone Flange Insert 13mm Compatible with Momcozy/Medela/Spectra/Eufy/Lansinoh/TSRETE/Elvie/NCVI/Paruu Breast Pump for 24mm Flange/Shield Breastfeeding Essential Replacement Pump Part
- Price
- $9.83
- Rating
- 4.2/5
- Reviews
- 169
- Age
- 10mo ago
4Pcs Breast Pump Flange Insert 13mm 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
Momstouch 13mm Flange Compatible with Spectra S1 S2 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts and Spectra Flange; Not Original; Replaces Spectra Shield
- Price
- $15.53
- Rating
- 4.6/5
- Reviews
- 301
- Age
- 2y ago
Flange Inserts for Spectra Spectra Replacement Pump Parts for S1/S2/9 Plus Not Original Accessories Breast Pump Parts Include 2-Pack 13MM Flanges and 4-Pack Duckbill Valves
- Price
- $9.94
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 11mo ago
Newest
by launch date6pcs Updated Silicone Flange Insert 13mm Compatible with Momcozy/Medela/Spectra/Eufy/Lansinoh/TSRETE/Elvie/NCVI/Paruu Breast Pump for 24mm Flange/Shield Breastfeeding Essential Replacement Pump Part
- Price
- $9.83
- Rating
- 4.2/5
- Reviews
- 169
- Age
- 10mo ago
Flange Inserts for Spectra Spectra Replacement Pump Parts for S1/S2/9 Plus Not Original Accessories Breast Pump Parts Include 2-Pack 13MM Flanges and 4-Pack Duckbill Valves
- Price
- $9.94
- Rating
- 4.4/5
- Reviews
- 119
- Age
- 11mo ago
Maymom Pump Parts Compatible with Spectra S2 S1 13mm Flange Valve Tube Bottle Backflow Protector Not Original Spectra S2 Replacement Pump Parts Duckbill Valve Bottle
- Price
- $32.58
- Rating
- 4.6/5
- Reviews
- 9,124
- Age
- 1y ago
4PCS Flange Insert 13mm Compatible with Momcozy M5/M6/M9/S12 Pro/S9 Pro/V1 Pro/V2 Pro Spectra/Medela/Elvie/NCVI/TSRETE/eufy/Lansinoh/Paruu/MomMed Breast Pump 24mm Shields/Flanges
- Price
- $6.99
- Rating
- 4.6/5
- Reviews
- 142
- Age
- 1y ago
6Pcs Breast Pump Flange Insert 13mm 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
- $8.87
- Rating
- 4.5/5
- Reviews
- 253
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
Brands
14 rising
Sellers
21
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
49%
Top 20: 95%
Open market
12%
- Maymom35%
- BDICOVE24%
- IVARONAL7%
- Momstouch7%
- GOCROWEEN7%
- CubCare7%
- Open — no brand owns it (8 brands, 12%)
Top 13mm Flange Insert search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- 13mm flange insert12K/yr
- 13 mm flange insert9K/yr
- 13mm flange spectra6K/yr
- 13mm flange4K/yr
- 13 mm flange spectra4K/yr
- spectra flange 13mm3K/yr
What reviews say buyers love and hate about 13mm Flange Insert
What buyers mention most, as a share of all reviews.
What buyers love
92% of reviews“Good variety of sizes”
“One thing that really stood out to me was how well-made”
“Good product for price”
“Comfortable”
“The little cleaning sponge is wonderful”
What buyers complain about
70% of reviews“the 13 mm I ordered were WAY too small”
“Not compatible with Spectra”
“Would expect higher quality control from a company who is knowingly serving pregnant and postpartum women”
“one of the flange inserts tore right apart immediately after opening”
“Waste of money”
13mm Flange Insert return rate & reasons
Why buyers send it back, as a share of all return requests.
4.0%
Return rate
74%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 13mm Flange Insert questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
