---
title: "Medela Membranes — $41K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/medela-membranes"
last_updated: "2026-08-09T08:37:55.282Z"
locale: en
meta:
description: "Niche score 38/100 · $41K/yr market · 33K searches/yr · $10.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · $41K/yr market · 33K searches/yr · $10.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Medela Membranes — $41K/yr Amazon US Niche (2026) - Flapen"
---
# **medela membranes**
**Skip it**
A small market ($41K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 24Conversion 93Competition 15Returns 85Price range 37Avg price 39Brand share 16Review moat 46Quality gap 53
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,860.9**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****$10.70**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$5.99–$20.30**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-2.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$41K**
$41K/yr · 33K searches
According to Flapen's Amazon United States niche tracking, medela membranes is a $41K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Jul–Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **medela membranes market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$43K–$54K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#251**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **70%**
- **Out of stock**
- **1.3%**
- **Avg brand age**
- **58 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**28**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**3%**
- Medela63% - PUMPMOM-US14% - NENESUPPLY8% - Wevedk5% - Maymom4% - IVARONAL4% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.9% search growth over the last 90 days.
15K10KSpike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Jul, Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 14.6×
[**Open Trend **](https://flapen.com/research/us/baby-products/medela-membranes/trend)
## **Top medela membranes search terms**
- **medela membranes**16K/yr+20.6%8.2% conv. - **medela membrane replacement**10K/yr-36.8%14.6% conv. - **medela membrane**2K/yr+1.9%11.9% conv. - **medela pump membranes**3K/yr-14.1%23.3% conv. - **medela pump in style membranes**3K/yr-25.8%10.5% conv. [**All search terms **](https://flapen.com/research/us/baby-products/medela-membranes/search-terms)
## **Top medela membranes 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%15%$6K30%$12K45%$18K60%$24K101001K10K 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**Medela Spare Membranes Breast Pump Replacement Parts Made Without BPA Authentic Medela Spart Parts White 6 count(Pack of 1)**Medela**$6.65**4.8★6,126 rev](https://www.amazon.com/dp/B0001CTZ8K) [2**PumpMom-us Membranes Compatible with Medela Pump Parts Silicone Diaphragm for PersonalFit Flex connectors Replacement Membranes Pump in Style MaxFlow Swing Maxi and Freestyle Flex Parts 2-Pack (2)**PUMPMOM-US**$11.54**4.4★724 rev](https://www.amazon.com/dp/B0FSL5853T) [3**Medela Membranes for Hands-Free Collection Cups 2-Pack**Medela**$20.30**4.7★405 rev](https://www.amazon.com/dp/B0CG6RPWV9) [4**Medela Spare Valves and Membranes 2 Sets Authentic Medela Replacement Parts Designed for All Breast Pumps Except Sonata and Freestyle Made Without BPA**Medela**$9.56**4.8★5,346 rev](https://www.amazon.com/dp/B0006Q561Q) [5**4pcs Silicone Membranes Compatible with Medela PersonalFit Flex connectors Diaphragm Fit for Pump in Style MaxFlow Swing Maxi and Freestyle Breast Pumps**Wevedk**$16.82**3.7★12 rev](https://www.amazon.com/dp/B0GGQMZBFQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**4pcs Silicone Membranes Compatible with Medela PersonalFit Flex connectors Diaphragm Fit for Pump in Style MaxFlow Swing Maxi and Freestyle Breast Pumps**Wevedk**$16.82**12 rev5mo ago](https://www.amazon.com/dp/B0GGQMZBFQ) [**PumpMom-us Membranes Compatible with Medela Pump Parts Silicone Diaphragm for PersonalFit Flex connectors Replacement Membranes Pump in Style MaxFlow Swing Maxi and Freestyle Flex Parts 2-Pack (2)**PUMPMOM-US**$11.54**724 rev9mo ago](https://www.amazon.com/dp/B0FSL5853T) [**2pcs Silicone Membranes Compatible with Medela Pump Parts Pump Replacement Diaphragm for PersonalFit Flex connectors Pump in Style MaxFlow Swing Maxi Freestyle Flex Breast Pumps**IVARONAL**$9.98**20 rev9mo ago](https://www.amazon.com/dp/B0FRYR19C4) [**Membranes Compatible with Medela Pump Parts 2-Pack BPA Free Silicone Membranes Compatible with PersonalFit Flex connectors Spare Parts 2 Count**Generic**$8.33**76 rev1y ago](https://www.amazon.com/dp/B0DFGFVPY1) [**Medela Membranes for Hands-Free Collection Cups 2-Pack**Medela**$20.30**405 rev2y ago](https://www.amazon.com/dp/B0CG6RPWV9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**4pcs Silicone Membranes Compatible with Medela PersonalFit Flex connectors Diaphragm Fit for Pump in Style MaxFlow Swing Maxi and Freestyle Breast Pumps**Wevedk**$16.82**3.7★**▲ 280%**](https://www.amazon.com/dp/B0GGQMZBFQ) [**2pcs Silicone Membranes Compatible with Medela Pump Parts Pump Replacement Diaphragm for PersonalFit Flex connectors Pump in Style MaxFlow Swing Maxi Freestyle Flex Breast Pumps**IVARONAL**$9.98**4.8★**▲ 143%**](https://www.amazon.com/dp/B0FRYR19C4) [**PumpMom-us Membranes Compatible with Medela Pump Parts Silicone Diaphragm for PersonalFit Flex connectors Replacement Membranes Pump in Style MaxFlow Swing Maxi and Freestyle Flex Parts 2-Pack (2)**PUMPMOM-US**$11.54**4.4★**▲ 54%**](https://www.amazon.com/dp/B0FSL5853T) [**Nenesupply10 pc Membranes Compatible with Medela Valve and Nenesupply Valve. Not Original Medela Membrane. Compatible with Pump in Style Swing Symphony Harmony Breast Pump**NENESUPPLY**$8.00**4.7★**▲ 27%**](https://www.amazon.com/dp/B00GMCZOHE) [**Medela Spare Membranes Breast Pump Replacement Parts Made Without BPA Authentic Medela Spart Parts White 6 count(Pack of 1)**Medela**$6.65**4.8★**— 3%**](https://www.amazon.com/dp/B0001CTZ8K)
**~~View all trending →~~**
## **What buyers say about medela membranes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**28%
*“Good quality”*
**Value For Money**19%
*“so it was nice to find an affordable option that still works well with my setup”*
**Size-Overall**18%
*“They fit perfectly”*
**Advertised Vs Actual Product**10%
*“Exactly as described”*
**Durability**6%
*“I love how durable”*
**Leak-Proof**4%
*“Everything seals properly”*
**Thickness**3%
*“They are thick”*
**Maintenance And Repair**3%
*“Good replacements”*
**Ease Of Cleaning**2%
*“Cleaning them has also been simple”*
**Ease Of Use**2%
*“Theyre easy to replace”*
### **What buyers complain about **
**Functionality-Overall**27%
*“Did not work for me”*
**Compatibility-Overall**23%
*“Not Compatible”*
**Size-Overall**12%
*“Dont fit well”*
**Advertised Vs Actual Product**9%
*“Misleading product description”*
**Value For Money**5%
*“Not waste your money on it”*
**Thickness**5%
*“They are thicker than original Medela membranes”*
**Material Quality**5%
*“the material is too rigid to work correctly with my pump-in-style”*
**Quality-Overall**5%
*“Poorly made and cheap quality”*
**Strength**5%
*“So they are weak for me”*
### **Top return reasons **
**Size-Overall**33%
**Functionality-Overall**13%
**Advertised Vs Actual Product**12%
**Defective Material/Parts**10%
**Compatibility-Overall**9%
**Product Condition**5%
**Value For Money**4%
**Filtration**3%
**Durability**2%
**Quality-Overall**2%
## **Common questions**
- **Is medela membranes profitable to sell on Amazon United States?**
- The niche generates $41K/yr across 10 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -2.9%. Flapen's verdict: Skip it (38/100).
- **How competitive is the medela membranes niche?**
- 7 brands and 28 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in medela membranes?**
- Top complaints mined from reviews: Functionality-Overall, Compatibility-Overall, Size-Overall. The return rate is 1.5%.
- **When does demand for medela membranes peak?**
- Demand peaks in Jan–Jul–Aug–Sep–Oct–Nov–Dec; the busiest month runs 14.6× the quietest.
- **What does it cost to enter the medela membranes niche?**
- Listings span $5.99–$20.30; the average listing price is $10.70 (sweet spot $15–$100). The average incumbent carries 1,861 reviews — the moat a new listing must climb.
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