---
title: "Medela Flange 17mm — $42K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/medela-flange-17mm"
last_updated: "2026-08-09T08:34:12.611Z"
locale: en
meta:
description: "Niche score 30/100 · $42K/yr market · 24K searches/yr · $12.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 30/100 · $42K/yr market · 24K searches/yr · $12.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Medela Flange 17mm — $42K/yr Amazon US Niche (2026) - Flapen"
---
# **medela flange 17mm**
**Skip it**
Prices mostly outside the sweet spot ($8.02–$15.53) — this niche doesn't clear our bar today.
Market size 10Growth 21Conversion 96Competition 10Returns 23Price range 7Avg price 57Brand share 14Review moat 44Quality gap 53
**Conversion**
**Incredible****13.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$12.83**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,067.3**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.4%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-7.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$42K**
$42K/yr · 24K searches
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$8.02–$15.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, medela flange 17mm is a $42K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 30/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **medela flange 17mm market data**
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **$38K–$51K**
- units × avg price
- **Conversion rate**
- **13.7%**
- **Avg BSR**
- **#46**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **139 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**9**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**4%**
- PUMPMOM-US44% - NENESUPPLY35% - Maymom6% - MOOMentaneous5% - Suniceme5% - Zafflerva2% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.3% search growth over the last 90 days.
500300Prime Day '24Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/baby-products/medela-flange-17mm/trend)
## **Top medela flange 17mm search terms**
- **medela flange 17mm**8K/yr-11.2%10.7% conv. - **medela 17mm flange**6K/yr-5.9%15.5% conv. - **medela hand pump flange 17mm**4K/yr+35.5%16.8% conv. - **17mm flange medela**4K/yr-20.0%14.0% conv. - **17 mm flange medela**3K/yr-39.6%20.0% conv. [**All search terms **](https://flapen.com/research/us/baby-products/medela-flange-17mm/search-terms)
## **Top medela flange 17mm 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%$4K20%$8K30%$12K40%$17K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nenesupply 17mm Oval Flanges Compatible with Medela Breast Pump Parts Replace 17mm Medela Flange Accessories. Work with Pump in Style Parts Symphony Parts Swing Maxi Harmony and Personalfit Flex**NENESUPPLY**$14.91**4.4★4,444 rev](https://www.amazon.com/dp/B0CYPHCQST) [2**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★440 rev](https://www.amazon.com/dp/B0F7LF6YJB) [3**PumpMom-us 17mm Flange with Soft Rim Breast Pump Shields Flanges for Medela Replace Flange Compatible with Medela Breast Pumps PersonalFit Freestyle Maxflow Freestyle Flex Swing Maxi Connector**PUMPMOM-US**$12.54**4.4★724 rev](https://www.amazon.com/dp/B0D1NZMG4M) [4**17mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs**Maymom**$15.53**4.5★8,889 rev](https://www.amazon.com/dp/B0CCHW6VH4) [5**MOOMentaneous 17mm Oval Flanges Breast Pump Parts Compatible with Medela Breast Pumps PersonalFit Maxflow Freestyle Flex Swing Maxi Connector**MOOMentaneous**$12.47**4.2★207 rev](https://www.amazon.com/dp/B0DJ2R3SMQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Breast Flanges 17mm 2-Pack for Medela Pump in Style Symphony Freestyle Sonata Maxflow and Lansinoh Signature Pro Breast Pumps**MilkFlow**$13.81**87 rev5mo ago](https://www.amazon.com/dp/B0GMWVMH1B) [**17mm Oval Pump Flanges Compatible with Medela Breast Pump Replacement Parts Compatible with Pump in Style Symphony Swing Maxi Harmony and Personalfit Flex**Zafflerva**$9.66**16 rev6mo ago](https://www.amazon.com/dp/B0G3B2F6TW) [**MOOMentaneous 17mm Oval Flanges Breast Pump Parts Compatible with Medela Breast Pumps PersonalFit Maxflow Freestyle Flex Swing Maxi Connector**MOOMentaneous**$12.47**207 rev1y ago](https://www.amazon.com/dp/B0DJ2R3SMQ) [**2pcs 17mm Soft Rim Flanges with 106 Degree Wider Opening Angle for Medela Breast Pump PersonalFit Freestyle Maxflow Freestyle Flex Swing Maxi Connector Lansinoh Signature Pro**IVARONAL**$14.13**451 rev1y ago](https://www.amazon.com/dp/B0D9K3VVGB) [**Suniceme Flange Inserts 17mm Compatible with Medela/Spectra/TSRETE/Elvie/Momcozy/Bellababy Breast Pump 24mm Shields/Flanges Reduce 24mm Nipple Tunnel Down to 17 mm 4PCS**Suniceme**$8.02**971 rev2y ago](https://www.amazon.com/dp/B0D53K5MS2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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★**▲ 99%**](https://www.amazon.com/dp/B0F7LF6YJB) [**17mm Oval Pump Flanges Compatible with Medela Breast Pump Replacement Parts Compatible with Pump in Style Symphony Swing Maxi Harmony and Personalfit Flex**Zafflerva**$9.66**4.9★**▲ 94%**](https://www.amazon.com/dp/B0G3B2F6TW) [**Breast Flanges 17mm 2-Pack for Medela Pump in Style Symphony Freestyle Sonata Maxflow and Lansinoh Signature Pro Breast Pumps**MilkFlow**$13.81**4.4★**▲ 66%**](https://www.amazon.com/dp/B0GMWVMH1B) [**17mm Maymom MyFit Shields Pano Series; Compatible with Medela Breast Pump- PersonalFit Freestyle Harmony Maxi Freestyle Flex Connector; Connect to Maymom Widemouth/Narrow Connector 2pcs**Maymom**$15.53**4.5★**▲ 27%**](https://www.amazon.com/dp/B0CCHW6VH4) [**MOOMentaneous 17mm Oval Flanges Breast Pump Parts Compatible with Medela Breast Pumps PersonalFit Maxflow Freestyle Flex Swing Maxi Connector**MOOMentaneous**$12.47**4.2★**▲ 25%**](https://www.amazon.com/dp/B0DJ2R3SMQ)
**~~View all trending →~~**
## **What buyers say about medela flange 17mm**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**32%
*“Sizing is true to whats listed”*
**Comfort-Overall**13%
*“comfortable”*
**Quality-Overall**12%
*“Overall, theyre well made”*
**Value For Money**11%
*“For $9.99, you get two flanges, which feels like a solid value”*
**Advertised Vs Actual Product**4%
*“Do the job”*
**Compatibility-Overall**4%
*“Maymom flange fits perfect with their flange adapter for spectra s2”*
**Leak-Proof**4%
*“it also seems to help catch small drips so milk doesnt spill off the flange tip as easily”*
**Durability**3%
*“Durable, soft and easy to use because they are round not an oblong oval”*
**Soft Feel**2%
*“The outer silicone ring is flexible and soft, so it hugs comfortably against my skin without digging in”*
**Grip**2%
*“I like the feel of these, they are a softer material, they have good grip and can be cleaned in the electric sterile and dryer”*
### **What buyers complain about **
**Product Condition**25%
*“They were used”*
**Durability**13%
*“Didnt last”*
**Strength**10%
*“Very flimsy”*
**Comfort-Overall**5%
*“these just werent comfortable”*
**Adhesion/Stickiness**5%
*“after I try to remove it, it sticks/ pinches and pulls at my boon and nipple”*
**Functionality-Overall**5%
*“did not work for me”*
**Washability**3%
*“Washed in dishwasher nearly every day”*
**Quality-Overall**3%
*“overall disappointed in quality”*
**Grip**3%
*“They are not hands free”*
**Size-Overall**3%
*“Unfortunately, this particular size just isnt the right match for me,”*
### **Top return reasons **
**Size-Overall**75%
**Width**5%
**Advertised Vs Actual Product**4%
**Functionality-Overall**3%
**Defective Material/Parts**3%
**Material Quality**2%
**Compatibility-Overall**1%
**Value For Money**1%
**Comfort-Overall**1%
**Product Condition**1%
## **Common questions**
- **Is medela flange 17mm profitable to sell on Amazon United States?**
- The niche generates $42K/yr across 10 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -7.3%. Flapen's verdict: Skip it (30/100).
- **How competitive is the medela flange 17mm niche?**
- 8 brands and 9 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in medela flange 17mm?**
- Top complaints mined from reviews: Product Condition, Durability, Strength. The return rate is 5.4% — above our launch gate.
- **When does demand for medela flange 17mm peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the medela flange 17mm niche?**
- Listings span $8.02–$15.53; the average listing price is $12.83 (sweet spot $15–$100). The average incumbent carries 2,067 reviews — the moat a new listing must climb.
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