glass breastmilk storage bottles
Skip itStrong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Avg price
Incredible$24.51avg listing price — sweet spot $15–$100
Price range
Great$9.75–$81.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$350K$350K/yr · 484K searches
Returns
Okay3.4%return rate — above 5% kills the launch gate
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Review moat
Okay2,672.87avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Growth
Okay+5.4%90-day search growth — must beat 0% to launch
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★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
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.No pronounced peak months · busiest ÷ quietest = 1.6×
Top glass breastmilk storage bottles search terms
- glass breastmilk storage bottles109K/yr
- glass milk storage bottles65K/yr
- breast milk storage bottles glass57K/yr
- momcozy bottles51K/yr
- glass breastmilk storage25K/yr
- momcozy bottle26K/yr
- mom cozy bottles22K/yr
- momcozy milk storage17K/yr
- momcozy storage bottles13K/yr
- glass milk storage8K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$28.954.8★816 rev
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$25.534.5★659 rev
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$25.584.9★658 rev
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$30.984.7★1,449 rev
Medela Breast Milk Collection and Storage Bottles with Solid Lids - 6pk/5oz-150mL Breastmilk Container Compatible Breast Pumps and Made Without BPA
Medela$12.314.8★15,196 rev
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$24.2499 rev
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$28.95816 rev
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$10.1348 rev
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$81.692,218 rev
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$30.981,449 rev
Trending
90-day click momentum6PCS 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$24.244.6★
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$31.714.3★
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$14.484.5★
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$13.414.5★
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$25.534.5★
What buyers say about glass breastmilk storage bottles
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality”
“Convenient for storage”
“Easy to use”
“They don't leak”
“Perfect size”
“cleaning, which saves time”
“Worth it”
“Durable and works great”
“Does What It Says”
“It is easy to carry”
What buyers complain about
“This is leaking everywhere from the lid”
“Broke”
“Very small”
“given the price it is low quality”
“A little pricey”
“Lid is super hard to snap closed”
“The product I received was clearly used”
“Extremely Fragile”
“then even harder to open to clean it”
“Is a little bulky for everyday use”
Top return reasons
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.