Is reusable breastmilk storage bags profitable to sell on Amazon United States?

The niche generates $88K/yr across 14 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is +4.5%. Flapen's verdict: Skip it (40/100).

How competitive is the reusable breastmilk storage bags niche?

8 brands and 11 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in reusable breastmilk storage bags?

Top complaints mined from reviews: Measurement/Reading Accuracy, Ease Of Use, Value For Money. The return rate is 2.2%.

When does demand for reusable breastmilk storage bags peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the reusable breastmilk storage bags niche?

Listings span $9.12–$76.23; the average listing price is $31.08 (sweet spot $15–$100). The average incumbent carries 2,521 reviews — the moat a new listing must climb.

reusable breastmilk storage bags

Skip it

A small market ($88K/yr) — this niche doesn't clear our bar today.

Avg price

Incredible$31.08

avg listing price — sweet spot $15–$100

Price range

Great$9.12–$76.23

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Good2.2%

return rate — above 5% kills the launch gate

Conversion

Okay3.3%

search→purchase rate — share of searches ending in a sale

Review moat

Okay2,521

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+4.5%

90-day search growth — must beat 0% to launch

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Market size

Bad$88K

$88K/yr · 87K searches

Brand share

Bad91%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, reusable breastmilk storage bags is a $88K/yr Amazon United States market (87K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 40/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

reusable breastmilk storage bags market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $93K–$124K; units × avg price
Conversion rate: 3.3%
Avg BSR: #119
Page quality: 0%
Prime: 100%
Sponsored: 79%
Out of stock: 15.0%
Avg brand age: 37 months
Avg seller age: 135 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

Nuliie57%
Lansinoh11%
Medela10%
haakaa8%
BOOBCUBE5%
Baby Brezza4%
Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top reusable breastmilk storage bags search terms

silicone breast milk storage bags23K/yr +28.2%2.5% conv.
reusable breast milk storage bags18K/yr -20.6%1.8% conv.
silicone milk storage bags11K/yr +32.6%2.1% conv.
reusable breastmilk storage bags7K/yr +35.6%0.9% conv.
silicone breastmilk storage bags7K/yr -0.9%2.2% conv.
reusable milk storage bags8K/yr -16.2%2.1% conv.
silicone breast milk storage4K/yr +15.8%1.4% conv.
nullie breastmilk storage bags4K/yr -11.0%10.5% conv.
nuliie breastmilk storage bags3K/yr -4.4%11.2% conv.
breastmilk storage bags reusable2K/yr -72.0%2.0% conv.

All search terms

Top reusable breastmilk storage bags 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Nuliie 7 Pcs Silicone Breastmilk Storage Bags Reusable 8oz/240ml Double Leak-Proof Breastmilk Freezer Bags BPA Free Self-Standing Milk Bags for Breastfeeding Baby Food Pouches

Nuliie$23.384.7★1,939 rev

Lansinoh Silicone Breastmilk Storage Bags Reusable Leakproof Milk Storage Bags with Double Seal Dishwasher & Sterilizer Safe 8 oz 5-Count BPA Free Breastfeeding Essentials

Lansinoh$39.944.3★26 rev

Medela Reusable Silicone Breast Milk Storage Bags with Double-Seal Design BPA Free One-Piece Fridge and Freezer Storable 220 ml 500 Uses

Medela$19.724.5★198 rev

haakaa Breastmilk Storage Bags Silicone Milk Storage Bags for Breastfeeding Reusable & Leakproof 9oz/260ml 10 PK

haakaa$58.484.7★1,195 rev

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

Nuliie$9.764.7★13,313 rev

Newest

by launch date

Lansinoh Silicone Breastmilk Storage Bags Reusable Leakproof Milk Storage Bags with Double Seal Dishwasher & Sterilizer Safe 8 oz 5-Count BPA Free Breastfeeding Essentials

Lansinoh$39.9426 rev

4mo ago

BOOBCUBE Breastmilk Storage Reusable Freezer Trays with Lid | Baby Food Cube 4pcs Complete Kit | 16 and 4-Cubes Silicone Durable Ultra Leak-Proof

BOOBCUBE$76.2368 rev

5mo ago

Medela Reusable Silicone Breast Milk Storage Bags with Double-Seal Design BPA Free One-Piece Fridge and Freezer Storable 220 ml 500 Uses

Medela$19.72198 rev

7mo ago

Nuliie 100pcs Temp-Sensing Breastmilk Storage Bag Huge Temp-Sensing Icon & Locking Clamp 6oz Breast Milk Storage Bags Freezer Pour Spout Self Standing Milk Storage Bags Breastmilk BPA-Free No-Leak

Nuliie$9.121,223 rev

9mo ago

Baby Brezza Reusable Breastmilk Storage Bags 10 Pack Includes Filling Funnel

Baby Brezza$19.7736 rev

10mo ago

What buyers say about reusable breastmilk storage bags

What buyers praise and complain about, mined from review topics.

What buyers love

Leak-Proof16%

“They don't leak”

Quality-Overall15%

“Good quality bags”

Storage Capacity13%

“The storage bag is very useful”

Ease Of Use8%

“Easy to use”

Value For Money6%

“Lovee these and affordable”

Durability5%

“Very durable”

Ease Of Cleaning5%

“easy to clean”

Temperature Control4%

“Temperature-sensing indicator is very useful”

Breastfeeding Friendly3%

“Breastfeeding must have”

Recycle/Reuse2%

“a good reusable option”

What buyers complain about

Measurement/Reading Accuracy9%

“Incorrect measurement”

Ease Of Use9%

“it was very difficult”

Value For Money7%

“Not worth it”

Ease Of Cleaning7%

“Very difficult to clean thoroughly”

Leak-Proof6%

“Leak”

Quality-Overall4%

“Not great quality”

Durability4%

“One broke on first use”

Thickness4%

“The material is thick”

Size-Overall3%

“Its too short”

Recycle/Reuse3%

“I'm not sold on the idea of re-usable bags”

Top return reasons

Size-Overall24%

Breastfeeding Friendly12%

Leak-Proof8%

Value For Money7%

Functionality-Overall6%

Quality-Overall5%

Thin5%

Advertised Vs Actual Product5%

Material Quality4%

Smell4%

Common questions

Is reusable breastmilk storage bags profitable to sell on Amazon United States?: The niche generates $88K/yr across 14 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is +4.5%. Flapen's verdict: Skip it (40/100).
How competitive is the reusable breastmilk storage bags niche?: 8 brands and 11 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in reusable breastmilk storage bags?: Top complaints mined from reviews: Measurement/Reading Accuracy, Ease Of Use, Value For Money. The return rate is 2.2%.
When does demand for reusable breastmilk storage bags peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the reusable breastmilk storage bags niche?: Listings span $9.12–$76.23; the average listing price is $31.08 (sweet spot $15–$100). The average incumbent carries 2,521 reviews — the moat a new listing must climb.