16mm Flange Inserts
soft demand (-2.5% this quarter) — 16mm Flange Inserts doesn't clear our bar today.
Flapen Score
Ranks 1,406 of 2,472 Baby Products niches · −2 vs the category median of 44
Is 16mm Flange Inserts profitable on Amazon?
According to Flapen's Amazon United States niche tracking, 16mm Flange Inserts is a $171K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jun. Verdict: Skip it — 42/100.
16mm Flange Inserts: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -2.5% over the last 90 days and 16.2% of searches end in a purchase.
$171K
revenue / yr
Who owns the niche?
The top 5 brands hold 88% of demand, so 12% of the market is open.
12%
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 · 24 products
Top 16mm Flange Inserts 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
4Pcs Breast Pump Flange Insert 16mm 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
- $7.91
- Rating
- 4.5/5
- Reviews
- 635
- Age
- 1y ago
Maymom 16mm 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
- $19.59
- Rating
- 4.6/5
- Reviews
- 6,022
- Age
- 3y ago
TOVVILD 16mm Flange Inserts for 24mm Flange/Shield Compatible with Momcozy/Medela/MOMMED/Spectra Breast Pumps Pump Parts Replace (4PCS 16mm)
- Price
- $8.89
- Rating
- 4.4/5
- Reviews
- 1,539
- Age
- 2y ago
Maymom 16mm Wide Neck Pump Part for Spectra S1/S2 Pumps; Compatible with Motif Luna Pump; Incl Wide Mouth Flange; Not Original Spectra Flange
- Price
- $17.61
- Rating
- 4.7/5
- Reviews
- 7,932
- Age
- 3y ago
Momstouch 16mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus Breastpump Replacement to Spectra Pump Parts Not Original Replace Accessories.
- Price
- $16.74
- Rating
- 4.3/5
- Reviews
- 592
- Age
- 2y ago
Trending
90-day click momentum
Nuliie 5-in-1 Flange Sizing Kit 12/14/16/18/20mm for 24mm Flange/Shield of Most Pumps 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Pump Essential for Moms
- Price
- $9.90
- Rating
- 4.5/5
- Reviews
- 445
- Age
- 5mo ago
Spectra - Wide Breast Shield Set for Breast Milk Pump - XS 16mm
- Price
- $29.44
- Rating
- 4.6/5
- Reviews
- 1,312
- Age
- 4mo ago
MOOMentaneous 16mm Oval Flanges Breast Pump Parts Compatible with Medela Breast Pumps PersonalFit Maxflow Freestyle Flex Swing Maxi Connector
- Price
- $12.61
- Rating
- 4.2/5
- Reviews
- 207
- Age
- 11mo ago
16mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs
- Price
- $15.53
- Rating
- 4.5/5
- Reviews
- 8,889
- Age
- 2y ago
2PC Flange Insert 16mm Compatible with Momcozy Air 1/W1/M9/M6/M5/V1 Pro/V2 Pro for Spectra/eufy/Medela/Elvie/Lansinoh/Paruu with 24mm Flange/Shield Pump Pumping Essentials Flange Insert Kits
- Price
- $6.90
- Rating
- 4.4/5
- Reviews
- 63
- Age
- 8mo ago
Newest
by launch dateSpectra - Wide Breast Shield Set for Breast Milk Pump - XS 16mm
- Price
- $29.44
- Rating
- 4.6/5
- Reviews
- 1,312
- Age
- 4mo ago
Nuliie 5-in-1 Flange Sizing Kit 12/14/16/18/20mm for 24mm Flange/Shield of Most Pumps 10PCS Silicone Flange Inserts to Boost Pumping Efficiency & Comfort BPA-Free Pump Essential for Moms
- Price
- $9.90
- Rating
- 4.5/5
- Reviews
- 445
- Age
- 5mo ago
2PC Flange Insert 16mm Compatible with Momcozy Air 1/W1/M9/M6/M5/V1 Pro/V2 Pro for Spectra/eufy/Medela/Elvie/Lansinoh/Paruu with 24mm Flange/Shield Pump Pumping Essentials Flange Insert Kits
- Price
- $6.90
- Rating
- 4.4/5
- Reviews
- 63
- Age
- 8mo ago
6pcs Updated Silicone Flange Insert 16mm Compatible with Momcozy/Medela/Spectra/Eufy/Lansinoh/TSRETE/Elvie/NCVI/Paruu Breast Pump for 24mm Flange/Shield Breastfeeding Essential Replacement Pump Part
- Price
- $9.91
- Rating
- 4.2/5
- Reviews
- 169
- Age
- 10mo ago
MOOMentaneous 16mm Oval Flanges Breast Pump Parts Compatible with Medela Breast Pumps PersonalFit Maxflow Freestyle Flex Swing Maxi Connector
- Price
- $12.61
- Rating
- 4.2/5
- Reviews
- 207
- Age
- 11mo ago
Competition: brands, sellers & click share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
Brands
12 rising
Sellers
15
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
65%
Top 20: 96%
Open market
9%
- Maymom32%
- BDICOVE23%
- TOVVILD14%
- Momstouch13%
- IVARONAL5%
- Nuliie3%
- Open — no brand owns it (6 brands, 9%)
16mm Flange Inserts demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jun · busiest ÷ quietest = 1.7×
Top 16mm Flange Inserts search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- 16mm flange inserts18K/yr
- 16 mm flange insert15K/yr
- 16mm flange spectra11K/yr
- spectra flange 16mm9K/yr
- spectra 16mm flange6K/yr
- 16 mm flange spectra6K/yr
- 16mm flange5K/yr
- size 16 flange insert3K/yr
- 16 mm flange3K/yr
- spectra 16 mm flange set3K/yr
What reviews say buyers love and hate about 16mm Flange Inserts
What buyers mention most, as a share of all reviews.
What buyers love
90% of reviews“fits comfortably for me”
“Overall, the parts themselves seem great and the quality feels solid”
“Great price”
“Exactly What I Needed”
“The little cleaning sponge is wonderful”
What buyers complain about
74% of reviews“These are huge”
“that broke within a few uses”
“Poor quality”
“These were not cheap to buy”
“The flange part is a bit thin”
16mm Flange Inserts return rate & reasons
Why buyers send it back, as a share of all return requests.
4.9%
Return rate
79%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 16mm Flange Inserts 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.
