---
title: "Medela Flanges — $203K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/medela-flanges"
last_updated: "2026-08-09T07:28:13.428Z"
locale: en
meta:
description: "Niche score 37/100 · $203K/yr market · 216K searches/yr · $13.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $203K/yr market · 216K searches/yr · $13.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Medela Flanges — $203K/yr Amazon US Niche (2026) - Flapen"
---
# **medela flanges**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 40Growth 28Conversion 74Competition 32Returns 34Price range 57Avg price 65Brand share 5Review moat 23Quality gap 38
**Conversion**
**Good****6.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$13.75**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.01–$24.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$203K**
$203K/yr · 216K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****4.3%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+2.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****7,054.67**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, medela flanges is a $203K/yr Amazon United States market (216K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 37/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **medela flanges market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$172K–$206K**
- units × avg price
- **Conversion rate**
- **6.8%**
- **Avg BSR**
- **#32**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **73%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▼falling
**Sellers**
**22**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**66%**
Top 20: 100%
**Open market**
**0%**
- Medela42% - NENESUPPLY24% - Nursi Luna15% - PUMPMOM-US12% - GOCROWEEN6% - Nuliie2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.3% search growth over the last 90 days.
5K4KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/baby-products/medela-flanges/trend)
## **Top medela flanges search terms**
- **medela hand pump flange**69K/yr+15.6%7.3% conv. - **medela flanges**57K/yr-1.5%4.7% conv. - **medela flange**25K/yr+9.7%2.9% conv. - **medela breast pump flanges**13K/yr-32.3%4.3% conv. - **medela harmony flange**9K/yr-8.1%7.6% conv. - **medela 21mm flange**8K/yr-6.2%13.4% conv. - **medela pump flanges**6K/yr-16.2%4.8% conv. - **medela manual breast pump flange**5K/yr+11.6%7.4% conv. - **medela flange 21mm**6K/yr-18.4%10.2% conv. - **medela personal fit flex flanges**3K/yr+20.8%3.4% conv. [**All search terms **](https://flapen.com/research/us/baby-products/medela-flanges/search-terms)
## **Top medela flanges products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$20K20%$41K30%$61K40%$81K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Medela PersonalFit Flex Breast Shields | 2 Pack of Small 21mm Breast Pump Flanges | Made Without BPA | Shaped Around You for Comfortable and Efficient Pumping**Medela**$15.64**4.6★19,737 rev](https://www.amazon.com/dp/B07L197S97) [2**Nenesupply 19mm Oval Flanges Compatible with Medela Breast Pump Parts Replace 19mm Medela Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex**NENESUPPLY**$14.95**4.4★4,444 rev](https://www.amazon.com/dp/B0CYPFF53J) [3**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**Nursi Luna**$10.05**4.6★2,006 rev](https://www.amazon.com/dp/B0CKZH37FX) [4**19mm Oval Flanges Shields Compatible with Medela Pumps Replacement Parts for Pump in Style Symphony Swing Maxi Harmony and Personalfit FlexBreast Pump Accessories**PUMPMOM-US**$13.54**4.5★440 rev](https://www.amazon.com/dp/B0F7LJ431S) [5**Flange Inserts 13/15/17/19/21mm 5pcs Suitable for Medela Spectra 24mm Shields/Flanges Compatible with Momcozy S12 Pro/S9 Pro/S9/S12 Wearable Breast Pump Reduce 24mm Tunnel Down to Correct Size**GOCROWEEN**$8.01**4.4★2,046 rev](https://www.amazon.com/dp/B0BKH4TX4J)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Medela Compatible Flange Breast Shield Inserts 15mm 18mm 21mm Replacement Accessory Pump Part 2 of Each Size 6PC**Medela**$13.82**14 rev4mo ago](https://www.amazon.com/dp/B0GL3DQLBJ) [**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**Nursi Luna**$9.87**2,081 rev2y ago](https://www.amazon.com/dp/B0CY81WHD5) [**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**Nursi Luna**$10.05**2,006 rev2y ago](https://www.amazon.com/dp/B0CKZH37FX) [**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**Nuliie**$9.68**4,179 rev2y ago](https://www.amazon.com/dp/B0CMPBBHMZ) [**Nenesupply 19mm Oval Flanges Compatible with Medela Breast Pump Parts Replace 19mm Medela Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex**NENESUPPLY**$14.95**4,444 rev3y ago](https://www.amazon.com/dp/B0CYPFF53J)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Medela Compatible Flange Breast Shield Inserts 15mm 18mm 21mm Replacement Accessory Pump Part 2 of Each Size 6PC**Medela**$13.82**4.6★**▲ 263%**](https://www.amazon.com/dp/B0GL3DQLBJ) [**17mm Oval Flanges Shields Compatible with Medela Pumps Replacement Parts for Pump in Style Symphony Swing Maxi Harmony and Personalfit FlexBreast Pump Accessories**PUMPMOM-US**$13.57**4.5★**▲ 160%**](https://www.amazon.com/dp/B0F7LF6YJB) [**Medela PersonalFit Flex Breast Shields | 2 Pack of Small 27mm Breast Pump Flanges | Made Without BPA | Shaped Around You for Comfortable and Efficient Pumping**Medela**$17.98**4.6★**▲ 86%**](https://www.amazon.com/dp/B07MP6MWDV) [**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**Nursi Luna**$10.05**4.6★**▲ 48%**](https://www.amazon.com/dp/B0CKZH37FX) [**Nenesupply 15mm Oval Flanges Compatible with Medela Breast Pump Parts Replace 17mm Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex Connector**NENESUPPLY**$14.93**4.4★**▲ 43%**](https://www.amazon.com/dp/B0DGFZK7BT)
**~~View all trending →~~**
## **What buyers say about medela flanges**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**20%
*“The best sizing kit”*
**Ease Of Use**15%
*“Easy to use”*
**Quality-Overall**11%
*“Good quality”*
**Ease Of Cleaning**8%
*“The little cleaning sponge is wonderful”*
**Value For Money**7%
*“Good value for money”*
**Comfort-Overall**6%
*“So comfortable”*
**Breastfeeding Friendly**6%
*“Very helpful and useful for breastfeeding”*
**Portability**4%
*“Portable”*
**Advertised Vs Actual Product**3%
*“Exactly What I Needed”*
**Durability**3%
*“Durable”*
### **What buyers complain about **
**Functionality-Overall**15%
*“No longer works”*
**Size-Overall**14%
*“These are huge”*
**Durability**10%
*“Broke quickly”*
**Quality-Overall**6%
*“cheaply made”*
**Value For Money**4%
*“Not worth the money”*
**Ease Of Cleaning**4%
*“They are difficult to clean”*
**Comfort-Overall**4%
*“Very uncomfortable”*
**Ease Of Use**4%
*“which can be frustrating”*
**Compatibility-Overall**3%
*“This does not work for the Swing Maxi”*
**Product Condition**2%
*“Recieved used product. Hair and lint”*
### **Top return reasons **
**Size-Overall**49%
**Functionality-Overall**16%
**Advertised Vs Actual Product**6%
**Defective Material/Parts**6%
**Breastfeeding Friendly**3%
**Value For Money**3%
**Comfort-Overall**2%
**Material Quality**2%
**Width**1%
**Product Condition**1%
## **Common questions**
- **Is medela flanges profitable to sell on Amazon United States?**
- The niche generates $203K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.3%. Flapen's verdict: Skip it (37/100).
- **How competitive is the medela flanges niche?**
- 6 brands and 22 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in medela flanges?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Durability. The return rate is 4.3%.
- **When does demand for medela flanges peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the medela flanges niche?**
- Listings span $8.01–$24.08; the average listing price is $13.75 (sweet spot $15–$100). The average incumbent carries 7,055 reviews — the moat a new listing must climb.
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