---
title: "Breast Shells — $63K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/breast-shells"
last_updated: "2026-08-09T12:07:16.860Z"
locale: en
meta:
description: "Niche score 43/100 · $63K/yr market · 50K searches/yr · $19.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $63K/yr market · 50K searches/yr · $19.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Breast Shells — $63K/yr Amazon US Niche (2026) - Flapen"
---
# **breast shells**
**Skip it**
A small market ($63K/yr) — this niche doesn't clear our bar today.
Market size 16Growth 19Conversion 71Competition 30Returns 39Price range 84Avg price 85Brand share 39Review moat 39Quality gap 75
**Avg price**
**Great****$19.12**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.01–$59.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.6%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,572.5**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****3.9%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-11.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$63K**
$63K/yr · 50K searches
According to Flapen's Amazon United States niche tracking, breast shells is a $63K/yr Amazon United States market (50K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Aug. Verdict: Skip it — 43/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **breast shells market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$57K–$76K**
- units × avg price
- **Conversion rate**
- **6.6%**
- **Avg BSR**
- **#19,050**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **72%**
- **Out of stock**
- **9.7%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**33**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**13%**
- Medela31% - Momcozy20% - Silverette12% - YIYEE11% - Zdolmy8% - haakaa6% - Open — no brand owns it (6 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.2% search growth over the last 90 days.
2K2KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/baby-products/breast-shells/trend)
## **Top breast shells search terms**
- **breast shells**25K/yr-5.0%5.4% conv. - **medela soft shells**6K/yr-4.6%10.1% conv. - **nipple shells**6K/yr-18.8%5.5% conv. - **breast shell**4K/yr-2.3%5.8% conv. - **breast shells for sore nipples**5K/yr-32.6%7.3% conv. - **medela soft shells for sore nipples**4K/yr-34.4%10.6% conv. [**All search terms **](https://flapen.com/research/us/baby-products/breast-shells/search-terms)
## **Top breast shells 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%$6K20%$13K30%$19K40%$25K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Medela TheraShells Breast Shells Protect Sore Flat or Inverted Nipples While Pumping or Breastfeeding Natural Appearance and Exceptional Comfort Made Without BPA**Medela**$16.43**3.9★641 rev](https://www.amazon.com/dp/B0006Q561G) [2**Momcozy 999 Silver Nursing Cups Original Perforated Breathable Design 999 Silver Nipple Cover for Breastfeeding Essential Nipple Shield for Nursing Newborn Metal Nipple Shields Regular Size**Momcozy**$41.19**4.3★691 rev](https://www.amazon.com/dp/B0D66JT3LS) [3**Silverette The Original Silver Nursing Cups Nipple Covers for Breastfeeding Essentials model number: 7300 Pure 925 Silver Nipple Shields for Breastfeeding Lightweight Nursing Cups Regular Size**Silverette**$59.64**4.5★7,197 rev](https://www.amazon.com/dp/B00D4MWKNQ) [4**YIYEE Breast Shells Milk Saver for Breastfeeding 4 Pack BPA Free Breast Shield Nursing Cups Protect Sore Nipples Breast Milk Collection Shells**YIYEE**$10.18**4.3★1,070 rev](https://www.amazon.com/dp/B0859YHPGW) [5**Breast Shells Milk Saver Nursing Cups Nursing Moms to Ease Nipple Pain BPA-Free and Reusable Collect Breast Milk Leak (Pack of 2)**Zdolmy**$8.94**4.2★3,018 rev](https://www.amazon.com/dp/B078NY26GL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Momcozy Breast Milk Collector Slim Discreet Waterdrop Silicone Breast Shells for Light Milk Leakage Collection with Storage Case (1oz/30ml 2PCS)**Momcozy**$21.82**1,046 rev2mo ago](https://www.amazon.com/dp/B0GLGKDGYM) [**haakaa Petal Soft Silicone Milk CollectorDiscreet Leak-Protection Breast Milk Saver Reusable Breast Shells Milk Collection Cup for Breastfeeding with Cleaning Brush- 2PCS**haakaa**$21.65**818 rev11mo ago](https://www.amazon.com/dp/B0FJXTZFPZ) [**haakaa Petal Soft Silicone Milk CollectorDiscreet Leak-Protection Breast Milk Saver Reusable Breast Shells Milk Collection Cup for Breastfeeding with Cleaning Brush- 1PC**haakaa**$14.05**818 rev11mo ago](https://www.amazon.com/dp/B0FJXVJQK5) [**Breast Milk Collector Milk Collectors for Breastfeeding Reusable Breast Milk Shells Catcher Protect Sore Nipples for Breastfeeding Made from BPA-Free and Food-Safe Silicone(2.03oz 2 Counts)**COMI**$12.30**137 rev12mo ago](https://www.amazon.com/dp/B0FHPWVZT4) [**Momcozy Breast Milk Collector Large Capacity for High Milk Supply Milk Collectors for Breastfeeding Reusable Soft Silicone Breast Shells (3oz/90ml 2PCS)**Momcozy**$22.33**1,046 rev1y ago](https://www.amazon.com/dp/B0D9JVL1HN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Momcozy Breast Milk Collector Slim Discreet Waterdrop Silicone Breast Shells for Light Milk Leakage Collection with Storage Case (1oz/30ml 2PCS)**Momcozy**$21.82**4.4★**▲ 199%**](https://www.amazon.com/dp/B0GLGKDGYM) [**Leg Avenue Shell Adhesive Jewel Nipple Stickers Clear O/S**Leg Avenue**$9.69**3.8★**▲ 196%**](https://www.amazon.com/dp/B0CWN9M63V) [**Momcozy 999 Silver Nursing Cups Original Perforated Breathable Design 999 Silver Nipple Cover for Breastfeeding Essential Nipple Shield for Nursing Newborn Metal Nipple Shields Regular Size**Momcozy**$41.19**4.3★**▲ 169%**](https://www.amazon.com/dp/B0D66JT3LS) [**Silverette The Original Silver Nursing Cups Nipple Covers for Breastfeeding Essentials model number: 7300 Pure 925 Silver Nipple Shields for Breastfeeding Lightweight Nursing Cups Regular Size**Silverette**$59.64**4.5★**▲ 84%**](https://www.amazon.com/dp/B00D4MWKNQ) [**Breast Milk Collector Milk Collectors for Breastfeeding Reusable Breast Milk Shells Catcher Protect Sore Nipples for Breastfeeding Made from BPA-Free and Food-Safe Silicone(2.03oz 2 Counts)**COMI**$12.30**4.2★**▲ 69%**](https://www.amazon.com/dp/B0FHPWVZT4)
**~~View all trending →~~**
## **What buyers say about breast shells**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“Solid product, almost perfect”*
**Comfort-Overall**14%
*“So comfortable”*
**Breastfeeding Friendly**13%
*“A must for breastfeeding”*
**Value For Money**8%
*“Best investment”*
**Leak-Proof**7%
*“No leakage”*
**Ease Of Cleaning**6%
*“Easy to wash and keep clean”*
**Ease Of Use**6%
*“Easy to put on”*
**Size-Overall**5%
*“fit all sizes”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Soft Feel**2%
*“Silicone is very soft and comfortable”*
### **What buyers complain about **
**Leak-Proof**20%
*“leaks around the edges”*
**Value For Money**8%
*“Waste of money”*
**Comfort-Overall**6%
*“They are uncomfortable”*
**Adhesion/Stickiness**4%
*“The adhesive both works and doesnt work”*
**Size-Overall**4%
*“these are so big”*
**Ease Of Cleaning**4%
*“since it doesnt clean it very well”*
**Functionality-Overall**3%
*“Did not work for me”*
**Product Condition**3%
*“used”*
**Ease Of Use**2%
*“Just wasnt easy to use”*
**Smell**2%
*“cannot get rid of the chemical smell”*
### **Top return reasons **
**Size-Overall**44%
**Functionality-Overall**13%
**Comfort-Overall**5%
**Value For Money**5%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**5%
**Breastfeeding Friendly**4%
**Leak-Proof**4%
**Product Condition**2%
**Quality-Overall**2%
## **Common questions**
- **Is breast shells profitable to sell on Amazon United States?**
- The niche generates $63K/yr across 18 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -11.2%. Flapen's verdict: Skip it (43/100).
- **How competitive is the breast shells niche?**
- 12 brands and 33 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in breast shells?**
- Top complaints mined from reviews: Leak-Proof, Value For Money, Comfort-Overall. The return rate is 3.9%.
- **When does demand for breast shells peak?**
- Demand peaks in Aug; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the breast shells niche?**
- Listings span $8.01–$59.64; the average listing price is $19.12 (sweet spot $15–$100). The average incumbent carries 2,573 reviews — the moat a new listing must climb.
## **Related niches in Baby Products**
- 65 [**baby car seat fan**](https://flapen.com/research/us/baby-products/baby-car-seat-fan)$31K/yr+151.9%**Worth a look**- 65 [**tummy time toys**](https://flapen.com/research/us/baby-products/tummy-time-toys)$11.8M/yr-9.5%**Worth a look**- 65 [**sunscreen brush**](https://flapen.com/research/us/baby-products/sunscreen-brush)$615K/yr+314.7%**Worth a look**- 65 [**toddler step stool**](https://flapen.com/research/us/baby-products/toddler-step-stool)$4.1M/yr-7.9%**Worth a look**- 65 [**training diapers 2t-3t**](https://flapen.com/research/us/baby-products/training-diapers-2t-3t)$6.1M/yr+8.7%**Launch it**- 65 [**water baby carrier**](https://flapen.com/research/us/baby-products/water-baby-carrier)$431K/yr+176.5%**Worth a look**[**All Baby Products niches **](https://flapen.com/research/us/baby-products)