Milk Storage Bags Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Milk Storage Bags sales on Amazon US totaled 90,000 units in July 2026 (▼ 7.3% vs. the prior month), generating an estimated $2,201,688 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 63.3% of unit volume and 69.4% of revenue, while a typical listing is priced at $21.26. The keyword itself pulled 37,179 Amazon queries over the same period (▲ 2.7% MoM).
Zooming out to the 12-month window ending July 2026, the milk storage bags Top 50 moved 1,083,400 units and $25,763,996 in cumulative sales — an average of 90,283 units and $2,147,000 per month. Monthly throughput topped out at 106,200 units in November 2025 and dipped to 49,500 in May 2026, leaving the latest reading 5.7% lower than August 2025.
Milk Storage Bags 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
90K
▼ 7.3% MoM
Monthly Revenue 2026/07
$2.2M
▼ 15.6% MoM
Top 10 Market Share 2026/07
63.3%
Milk Storage Bags Market Share & Sales Concentration on Amazon US — July 2026
The most-sold milk storage bags listing on Amazon US in July 2026 is ASIN B006XISCNA (Brand: Lansinoh), which sold 9,000 units at $14.44 apiece — equal to 10.0% of every unit tracked in this report.
The Top 10 ASINs account for 57,000 units and $1,528,290 in July 2026 — 63.3% of unit volume and 69.4% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Milk Storage Bags' on Amazon
July 2026
Is 63.3% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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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
B0D3195F82
Momcozy 22oz Portable Breastmilk Cooler for 24H Outdoor, Newborn Essentials | 24 Hours & 360° Surrounded Cooling, 2 Extra Baby Bottles for Better Storage, Life Saver for Working Mom, Hassle-Free Cleaning
9K
▼ 10.0%vs. prior month
$653.1K
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
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Best Milk Storage Bags Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Momcozy is the best-performing milk storage bags brand in July 2026, moving 22,000 units across 4 ASINs for 38.6% of Top 10 volume. Lansinoh follows with 16,000 units (28.1%), ahead of Medela on 12,000 units (21.1%).
With 5 brands splitting the Top 10 and 87.7% 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 $31.09, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Momcozy
4 ASINs in Top 10
38.6%
Units
22K
Revenue
$893.6K
Avg. price
$31.09
B0D3195F82
$71.99·★4.8·2.5K revsMomcozy 22oz Portable Breastmilk Cooler for 24H Outdoor, Newborn Essentials | 24 Hours & 360° Surrounded Cooling, 2 Extra Baby Bottles for Better Storage, Life Saver for Working Mom, Hassle-Free Cleaning
Units sold9KB09R4PVYG8
$14.43·★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
Lansinoh
2 ASINs in Top 10
28.1%
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
Medela
2 ASINs in Top 10
21.1%
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 Milk Storage Bags 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. 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.
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
Price
$24.99
Rating
4.4
Reviews
46
Latest month sales
B0F8VGFBPD
8 Pack Clear Clear Freeze Flat Breastmilk Storage Organizer, Space Saving | Reusable Breast Milk Bag Flattener Breastmilk Organizer Freezer Tray for Breastmilk Bag Containers, 7.48 x 5.11 x 0.67 in
Unlock to view ASIN details and product titles
Price
$15.99
Rating
4.4
Reviews
194
Latest month sales
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