---
title: "Glass Breastmilk Storage Bottles — $350K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/glass-breastmilk-storage-bottles"
last_updated: "2026-08-09T15:32:35.646Z"
locale: en
meta:
description: "Niche score 42/100 · $350K/yr market · 484K searches/yr · $24.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $350K/yr market · 484K searches/yr · $24.51 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Glass Breastmilk Storage Bottles — $350K/yr Amazon US Niche (2026) - Flapen"
---
# **glass breastmilk storage bottles**
**Skip it**
Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Market size 53Growth 32Conversion 37Competition 27Returns 45Price range 89Avg price 95Brand share 38Review moat 38Quality gap 21
**Avg price**
**Incredible****$24.51**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.75–$81.69**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$350K**
$350K/yr · 484K searches
**Returns**
**Okay****3.4%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,672.87**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****2.9%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+5.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, glass breastmilk storage bottles is a $350K/yr Amazon United States market (484K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 42/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **glass breastmilk storage bottles market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$306K–$368K**
- units × avg price
- **Conversion rate**
- **2.9%**
- **Avg BSR**
- **#36**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **141 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**14%**
- Momcozy46% - COMI17% - Syntic9% - Medela5% - JunVpic4% - WeeSprout4% - Open — no brand owns it (5 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.4% search growth over the last 90 days.
13K8KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/baby-products/glass-breastmilk-storage-bottles/trend)
## **Top glass breastmilk storage bottles search terms**
- **glass breastmilk storage bottles**109K/yr+10.4%1.7% conv. - **glass milk storage bottles**65K/yr-2.0%1.5% conv. - **breast milk storage bottles glass**57K/yr+1.6%2.2% conv. - **momcozy bottles**51K/yr+0.5%2.9% conv. - **glass breastmilk storage**25K/yr+22.4%0.9% conv. - **momcozy bottle**26K/yr+2.8%1.9% conv. - **mom cozy bottles**22K/yr-5.9%2.2% conv. - **momcozy milk storage**17K/yr-0.4%2.2% conv. - **momcozy storage bottles**13K/yr+16.5%4.8% conv. - **glass milk storage**8K/yr+18.6%1.2% conv. [**All search terms **](https://flapen.com/research/us/baby-products/glass-breastmilk-storage-bottles/search-terms)
## **Top glass breastmilk storage bottles 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%$35K20%$70K30%$105K40%$140K101001K10K100K 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**Momcozy Natural Baby Bottle Wide-Neck BPA Free Breast Milk Container Storage Collection Bottle for Fridge & Milk Cooler Breastfeeding Essential 11 oz 4 pcs**Momcozy**$28.95**4.8★816 rev](https://www.amazon.com/dp/B0DP2BQK9P) [2**COMI Wide Neck Glass Breastmilk Collection n Storage Bottle 4 Packs 6oz with Screw Ring Sealing Disk; Re-markable Sealing Disc. BPA Free Fits Breast Pumps & Nipples (4 Gray Lids)**COMI**$25.53**4.5★659 rev](https://www.amazon.com/dp/B0CCNGVN8D) [3**8 Pack 16 Oz Reusable Glass Milk Bottles w 100% Airtight Heavy Duty SCREW Lid & 2 Pour Spouts - Glass Juice Bottles w Capacity Mark - Beverage Drinking Jar Juice Container Breast Milk(Extra 2 Lids)**Syntic**$25.58**4.9★658 rev](https://www.amazon.com/dp/B0C4DG8BXX) [4**Momcozy Breast Milk Pitcher Resistant to Heat and Cold Abrupt Temp Swings No Leak Glass Breast Milk Fridge Storage Container with Wide Mouth Fast Baby Formula Maker Green**Momcozy**$30.98**4.7★1,449 rev](https://www.amazon.com/dp/B0D1KKVYKK) [5**Medela Breast Milk Collection and Storage Bottles with Solid Lids - 6pk/5oz-150mL Breastmilk Container Compatible Breast Pumps and Made Without BPA**Medela**$12.31**4.8★15,196 rev](https://www.amazon.com/dp/B00DB5F114)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**6PCS Breastmilk Storage Bottle BPA Free Wide-Neck Spectra Bottles for Pumping Storage Collection Baby Bottles for Fridge & Momcozy Breast Milk Cooler Breastfeeding Bottle 10 oz**afontoto**$24.24**99 rev8mo ago](https://www.amazon.com/dp/B0FX2S6WXD) [**Momcozy Natural Baby Bottle Wide-Neck BPA Free Breast Milk Container Storage Collection Bottle for Fridge & Milk Cooler Breastfeeding Essential 11 oz 4 pcs**Momcozy**$28.95**816 rev1y ago](https://www.amazon.com/dp/B0DP2BQK9P) [**Momcozy Soft Baby Nipple Premium Natural Flow Silicone for Wide-Neck Bottles BPA-Free Perfectly Compatible with Momcozy Breast Milk Cooler Medium (Pack of 2)**Momcozy**$10.13**48 rev1y ago](https://www.amazon.com/dp/B0DNYFP2Q7) [**Momcozy 22oz Portable Breast Milk Cooler for Outdoor Life Saver with 360 Total Cooling for 24 Hours Larger Capacity Travel Breastmilk Chiller with 2pcs Baby Bottles for Breastmilk Storage Green**Momcozy**$81.69**2,218 rev1y ago](https://www.amazon.com/dp/B0D3195F82) [**Momcozy Breast Milk Pitcher Resistant to Heat and Cold Abrupt Temp Swings No Leak Glass Breast Milk Fridge Storage Container with Wide Mouth Fast Baby Formula Maker Green**Momcozy**$30.98**1,449 rev2y ago](https://www.amazon.com/dp/B0D1KKVYKK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**6PCS Breastmilk Storage Bottle BPA Free Wide-Neck Spectra Bottles for Pumping Storage Collection Baby Bottles for Fridge & Momcozy Breast Milk Cooler Breastfeeding Bottle 10 oz**afontoto**$24.24**4.6★**▲ 107%**](https://www.amazon.com/dp/B0FX2S6WXD) [**Mason Bottle Breast Milk Storage Jars (4oz & 8oz 8-Pack) Reusable Glass Breastmilk Storage Jar & Baby Food Containers with Lid & Breast Milk Storage Airtight Stackable Freezable (Deep Ocean)**Mason Bottle**$31.71**4.3★**▲ 49%**](https://www.amazon.com/dp/B08Z79BW9T) [**OneDream Breast Milk Pitcher 32oz Glass Pitcher with Lid Formula Pitcher Leakproof Drip-Free Spout Wide Mouth Mason Jar Pitcher for Easy Pouring Dishwasher Safe Breastmilk Storage Pitcher**OneDream**$14.48**4.5★**▲ 44%**](https://www.amazon.com/dp/B0BXKYFLTG) [**COMI Wide Neck Glass Breastmilk Collection n Storage Bottle 6oz with Screw Ring Sealing Disk; Re-markable Sealing Disc. BPA Free Fits Breast Pumps & Nipples (2 Pack Gray Lids)**COMI**$13.41**4.5★**▲ 32%**](https://www.amazon.com/dp/B0CCJ65JP5) [**COMI Wide Neck Glass Breastmilk Collection n Storage Bottle 4 Packs 6oz with Screw Ring Sealing Disk; Re-markable Sealing Disc. BPA Free Fits Breast Pumps & Nipples (4 Gray Lids)**COMI**$25.53**4.5★**▲ 27%**](https://www.amazon.com/dp/B0CCNGVN8D)
**~~View all trending →~~**
## **What buyers say about glass breastmilk storage bottles**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“Good Quality”*
**Storage Capacity**11%
*“Convenient for storage”*
**Ease Of Use**11%
*“Easy to use”*
**Leak-Proof**8%
*“They don't leak”*
**Size-Overall**8%
*“Perfect size”*
**Ease Of Cleaning**8%
*“cleaning, which saves time”*
**Value For Money**7%
*“Worth it”*
**Durability**4%
*“Durable and works great”*
**Advertised Vs Actual Product**4%
*“Does What It Says”*
**Portability**3%
*“It is easy to carry”*
### **What buyers complain about **
**Leak-Proof**14%
*“This is leaking everywhere from the lid”*
**Durability**10%
*“Broke”*
**Size-Overall**8%
*“Very small”*
**Quality-Overall**8%
*“given the price it is low quality”*
**Value For Money**5%
*“A little pricey”*
**Ease Of Use**4%
*“Lid is super hard to snap closed”*
**Product Condition**4%
*“The product I received was clearly used”*
**Strength**3%
*“Extremely Fragile”*
**Ease Of Cleaning**3%
*“then even harder to open to clean it”*
**Weight Heavy**3%
*“Is a little bulky for everyday use”*
### **Top return reasons **
**Size-Overall**35%
**Material Quality**12%
**Value For Money**10%
**Weight Heavy**7%
**Breastfeeding Friendly**6%
**Advertised Vs Actual Product**6%
**Leak-Proof**4%
**Product Condition**3%
**Color**2%
**Quality-Overall**2%
## **Common questions**
- **Is glass breastmilk storage bottles profitable to sell on Amazon United States?**
- The niche generates $350K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +5.4%. Flapen's verdict: Skip it (42/100).
- **How competitive is the glass breastmilk storage bottles niche?**
- 11 brands and 20 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in glass breastmilk storage bottles?**
- Top complaints mined from reviews: Leak-Proof, Durability, Size-Overall. The return rate is 3.4%.
- **When does demand for glass breastmilk storage bottles peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the glass breastmilk storage bottles niche?**
- Listings span $9.75–$81.69; the average listing price is $24.51 (sweet spot $15–$100). The average incumbent carries 2,673 reviews — the moat a new listing must climb.
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