---
title: "medela flange 17mm — Niche Verdict: Skip it (31/100) | Amazon United States - Flapen"
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last_updated: "2026-07-13T23:09:04.567Z"
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  description: "prices mostly outside the sweet spot ($8.02–$15.53) — medela flange 17mm doesn't clear our bar today."
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  "og:title": "medela flange 17mm — Niche Verdict: Skip it (31/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **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 30Price 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**

**Okay****5.4%**

return rate — above 6% 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

## **Competition**

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%**

**Open market**

**4%**

- PUMPMOM-US44% - NENESUPPLY35% - Maymom6% - MOOMentaneous5% - Suniceme5% - Zafflerva2% - Open — no brand owns it (2 brands, 4%)

## **Product shelf**

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](https://m.media-amazon.com/images/I/41a+9yH0okL.jpg)**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](https://m.media-amazon.com/images/I/31c9nCh4cVL.jpg)**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](https://m.media-amazon.com/images/I/31Ek8SKWumL.jpg)**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](https://m.media-amazon.com/images/I/31EPq0K1+UL.jpg)**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](https://m.media-amazon.com/images/I/31c-KFfQk-L.jpg)**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](https://m.media-amazon.com/images/I/41FnSOCHm2L.jpg)**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](https://m.media-amazon.com/images/I/315NZf3UThL.jpg)**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](https://m.media-amazon.com/images/I/31c-KFfQk-L.jpg)**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](https://m.media-amazon.com/images/I/31FtqUppYHL.jpg)**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](https://m.media-amazon.com/images/I/31Ftp9HOeJL.jpg)**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](https://m.media-amazon.com/images/I/31c9nCh4cVL.jpg)**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](https://m.media-amazon.com/images/I/315NZf3UThL.jpg)**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](https://m.media-amazon.com/images/I/41FnSOCHm2L.jpg)**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](https://m.media-amazon.com/images/I/31EPq0K1+UL.jpg)**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](https://m.media-amazon.com/images/I/31c-KFfQk-L.jpg)**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 →~~**

## **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×

## **Reviews**

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%