Breastmilk Storage Bag Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Breastmilk Storage Bag sales on Amazon US totaled 85,700 units in July 2026 (▼ 3.4% vs. the prior month), generating an estimated $1,627,886 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 59.5% of unit volume and 55.2% of revenue, while a typical listing is priced at $20.92. The keyword itself pulled 23,436 Amazon queries over the same period (▲ 15.2% MoM).
Zooming out to the 12-month window ending July 2026, the breastmilk storage bag Top 50 moved 1,013,500 units and $18,033,695 in cumulative sales — an average of 84,458 units and $1,502,808 per month. Monthly throughput topped out at 98,400 units in November 2025 and dipped to 47,250 in May 2026, leaving the latest reading 8.4% lower than August 2025.
Breastmilk Storage Bag Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
85.7K
▼ 3.4% MoM
Monthly Revenue 2026/07
$1.6M
▼ 7.4% MoM
Top 10 Market Share 2026/07
59.5%
Breastmilk Storage Bag Market Share & Sales Concentration on Amazon US — July 2026
The most-sold breastmilk storage bag listing on Amazon US in July 2026 is ASIN B006XISCNA (Brand: Lansinoh), which sold 9,000 units at $14.44 apiece — equal to 10.5% of every unit tracked in this report and 29% ahead of the No. 2 listing.
The Top 10 ASINs account for 51,000 units and $898,320 in July 2026 — 59.5% of unit volume and 55.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Breastmilk Storage Bag' on Amazon
July 2026
Is 59.5% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B006XISCNA
Lansinoh Breastmilk Storage Bags, 6 Ounce, 100 Count | Baby Essentials, Leak-Proof, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Strength & Stretch
9K
▼ 10.0%vs. prior month
$130K
latest month
12-month trend
B09R4PVYG8
Momcozy Breastmilk Storing Bags, Temp-Sensing Breastfeeding, 6oz 120pcs
7K
▼ 12.5%vs. prior month
$124.2K
latest month
12-month trend
B00TY8ZQVW
Lansinoh Breastmilk Storage Bags, 6 Ounce, 200 Count | Baby Essentials, Leak-Proof, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Strength & Stretch
7K
▼ 12.5%vs. prior month
$178.6K
latest month
12-month trend
B00DB5F114
Medela 5oz Breast Milk Collection & Storage Bottles | 6 Ct
7K
▼ 12.5%vs. prior month
$104.9K
latest month
12-month trend
B0D73Z29B1
Medela Easy Pour Breast Milk Storage Bags, 100 Count, 7 oz/210 ml | Leakproof, One-Hand Easy Pour Spout, No Spills, Breast Milk Protection, Sanitized, Fast Freeze, BPA-Free Bags
5K
▲ 25.0%vs. prior month
$57K
latest month
12-month trend
B091T8WFCW
Nuliie 120 Pcs Breastmilk Storage Bags Freezer, 8 OZ Breast Milk Storing Bags, BPA-Free, Milk Storage Bags with Pour Spout for Breastfeeding, Self-Standing Bag, Space Saving Flat Profile
4K
▲ 0.0%vs. prior month
$40K
latest month
12-month trend
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Best Breastmilk Storage Bag Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Lansinoh is the best-performing breastmilk storage bag brand in July 2026, moving 16,000 units across 2 ASINs for 31.4% of Top 10 volume. Momcozy follows with 13,000 units (25.5%), ahead of Medela on 12,000 units (23.5%).
With 6 brands splitting the Top 10 and 80.4% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $14.98 to $20.21, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Lansinoh
2 ASINs in Top 10
31.4%
Units
16K
Revenue
$308.5K
Avg. price
$20.21
B006XISCNA
$14.44·★4.8·94.8K revsLansinoh Breastmilk Storage Bags, 6 Ounce, 100 Count | Baby Essentials, Leak-Proof, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Strength & Stretch
Units sold9KB00TY8ZQVW
$25.98·★4.8·94.8K revsLansinoh Breastmilk Storage Bags, 6 Ounce, 200 Count | Baby Essentials, Leak-Proof, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Strength & Stretch
Units sold7K
Momcozy
3 ASINs in Top 10
25.5%
Units
13K
Revenue
$240.5K
Avg. price
$17.98
B09R4PVYG8
$15.99·★4.8·7.9K revsMomcozy Breastmilk Storing Bags, Temp-Sensing Breastfeeding, 6oz 120pcs
Units sold7KB0B511FV9Y
$29.99·★4.8·7.9K revsMomcozy Breastmilk Storage Bags, 200PCS Value Pack, Temp-Sensing Discoloration Milk Storing Bags for Breastfeeding, Presterilized, Hygienically Doubled-Sealing, for Freezing, 6 Ounce
Units sold4KB09R4PYYLM
$7.97·★4.8·7.9K revsMomcozy Breastmilk Storing Bags, Temp-Sensing Discoloration Breastfeeding Essentials, Disposable Thickened Milk Storage Bag with 6 Ounce Self-Standing, No-Leak Milk Freezer Storage Pouches, 50pcs | Temp-Sensing, Disposable, Self Standing, No-Leak Milk Freezer Storage Pouches
Units sold2K
Medela
2 ASINs in Top 10
23.5%
Units
12K
Revenue
$161.8K
Avg. price
$14.98
B00DB5F114
$14.98·★4.8·15.4K revsMedela 5oz Breast Milk Collection & Storage Bottles | 6 Ct
Units sold7KB0D73Z29B1
$14.99·★4.8·1.9K revsMedela Easy Pour Breast Milk Storage Bags, 100 Count, 7 oz/210 ml | Leakproof, One-Hand Easy Pour Spout, No Spills, Breast Milk Protection, Sanitized, Fast Freeze, BPA-Free Bags
Units sold5K
Trending Breastmilk Storage Bag Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0FMY9MJRH booked 3K units at $39.99, with ▲ 200.0% MoM change. On the growth side, B0CP92LL6J leads positive momentum with ▲ 400.0% MoM growth on 500 units, with B0GKNGKQXD close behind at ▲ 233.3% MoM on 1K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0FMY9MJRH
Portable Breast Milk Cooler Bottle with Digital Temp Display | 24H 360 Cooling, No Ice Packs Needed, 22oz Capacity with 2 BPA-Free Bottles, CPC Certified, Travel & Commute
Price
$39.99
Rating
4.6
Reviews
364
Latest month sales
B0CP92LL6J
Breastmilk Storage Bags(150 Count)，8oz Milk Storage Bags for Breastfeeding，BPA Free with Easy Pour Spout, Self Standing, for Refrigeration and Freezing
Price
$12.48
Rating
4.7
Reviews
738
Latest month sales
B0GKNGKQXD
Vtopmart 4 Pack Breast Milk Storage Bags Container with Adjustable Dividers | BPA-free PET Plastic, With 2 Manual Snap-in Adjustable Dividers, FIFO System, Beyond Breast Milk, For Whole Kitchen
Unlock to view ASIN details and product titles
Price
$23.99
Rating
4.4
Reviews
47
Latest month sales
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