willow pump bag
Skip itA small market ($80K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$42.09avg listing price — sweet spot $15–$100
Review moat
Great391.15avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Returns
Okay4.1%return rate — above 5% kills the launch gate
Growth
Okay+3.4%90-day search growth — must beat 0% to launch
Price range
Okay$9.30–$332.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$80K$80K/yr · 56K searches
According to Flapen's Amazon United States niche tracking, willow pump bag is a $80K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jul–Aug–Sep–Oct. Verdict: Skip it — 44/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
willow pump bag market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $126K–$168K
- units × avg price
- Conversion rate
- 3.4%
- Avg BSR
- #1,563
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 74%
- Out of stock
- 3.7%
- Avg brand age
- 32 months
- Avg seller age
- 136 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
48
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
52%
Top 20: 93%
Open market
17%
- Willow46%
- Bjabtan15%
- Jaffzora8%
- Damero6%
- Yewltvep4%
- CJZ4%
- Open — no brand owns it (10 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.4% search growth over the last 90 days.Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 6.0×
Top willow pump bag search terms
- willow go case16K/yr
- willow breast pump bag6K/yr
- willow pump bag9K/yr
- willow go pump bag7K/yr
- willow bags4K/yr
- willow 360 milk bags5K/yr
- willow pump case3K/yr
- willow go carrying case4K/yr
- willow pump carrying case2K/yr
Top willow pump bag 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Willow Breast Pump Carrying Case Grey Use with Hands Free Wearable Breast Pumps Ultra Durable Hard Shell Breast Pump Case with Removable Tray Compact and Discreet
Willow$51.554.7★318 rev
Breast Pumps Carrying Bag Compatible with Most of Wearable Breast Pumps Hard Shell Wearable Breast Pump Bag with Waterproof Removable Tray Breast Pump Storage Bag
Bjabtan$24.104.6★116 rev
Willow - 360 Pump Spill-Proof Breast Milk Bags - 48 Ct - Holds 4 oz. Per Self-Sealing Storage Bag - Compatible with Willow 360 or 3.0 Wearable Hands Free Breast Pump
Willow$27.814.6★3,513 rev
Willow - 360 Pump Spill-Proof Breast Milk Bags - 24 Ct - Holds 4 oz. Per Self-Sealing Storage Bag - Compatible with Willow 360 or 3.0 Wearable Hands Free Breast Pump
Willow$28.324.6★3,513 rev
Willow Breast Pump Carrying Case Teal Use with Hands Free Wearable Breast Pumps Ultra Durable Hard Shell Breast Pump Case with Removable Tray Compact and Discreet
Willow$46.074.7★318 rev
Newest
by launch date
Willow - 8oz Breast Milk Storage Bags - SmartStash Tracking - 50ct - Double Zip Seal for Durability - Freezer & Fridge Breastmilk Storage - Easy Pour Spout - BPA Free - Breastfeeding Essentials
Willow$9.3035 rev
Willow Breast Milk Bag Flatteners - 6ct
Willow$21.2533 rev
Breast Pump Carrying Case for Momcozy & Willow Wearable Breast Pump Bag for eufy Security/Paruu/OTEEIDA/Nuliie/Medela and More Hands Free Breast Pump Travel Pumping Bag with Waterproof Removable Tray
Yewltvep$23.6011 rev
Wearable Breast Pump Bag - Fits Elvie Willow Momcozy and All Others - Beige Small Pump Bag with Wrist Strap Hands-Free Pump Carrying Case and Storage for Travel
IDAHO JONES$25.18382 rev
Willow - 360 Pump Spill-Proof Breast Milk Bags - 24 Ct - Holds 4 oz. Per Self-Sealing Storage Bag - Compatible with Willow 360 or 3.0 Wearable Hands Free Breast Pump
Willow$28.323,513 rev
Trending
90-day click momentum
Harry Potter Whomping Willow Through The Seasons Portrait Tote Bag
Harry Potter$24.980.0★
Willow - 8oz Breast Milk Storage Bags - SmartStash Tracking - 50ct - Double Zip Seal for Durability - Freezer & Fridge Breastmilk Storage - Easy Pour Spout - BPA Free - Breastfeeding Essentials
Willow$9.304.7★
Loeffler Randall Womens Willow Hobo Bag Natural One Size
Loeffler Randall$332.051.0★
Willow Breast Milk Bag Flatteners - 6ct
Willow$21.254.4★
Breast Pump Carrying Case for Momcozy & Willow Wearable Breast Pump Bag for eufy Security/Paruu/OTEEIDA/Nuliie/Medela and More Hands Free Breast Pump Travel Pumping Bag with Waterproof Removable Tray
Yewltvep$23.604.2★
What buyers say about willow pump bag
What buyers praise and complain about, mined from review topics.What buyers love
“fits perfectly in my nursery cart”
“easy to clean”
“lots of space”
“The bag quality is good”
“they are very affordable”
“Love for traveling”
“it's not flimsy”
“durable”
“They dont leak”
“cleanly without spills makes a big difference”
What buyers complain about
“had a really funky smell to it”
“its over priced”
“flanges it just barely barely barely fits with enough room for the charger”
“The material is thicker than other brands”
“Maybe a used and returned item”
“they don't store perfectly”
“This also isnt quite as sturdy as that one”
“this is a very light pink NOT beige/off-white”
“it came and was TINY”
“most of it is bulky since I didnt have this tool”
Top return reasons
Common questions
- Is willow pump bag profitable to sell on Amazon United States?
- The niche generates $80K/yr across 27 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +3.4%. Flapen's verdict: Skip it (44/100).
- How competitive is the willow pump bag niche?
- 16 brands and 48 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in willow pump bag?
- Top complaints mined from reviews: Smell, Value For Money, Charging. The return rate is 4.1%.
- When does demand for willow pump bag peak?
- Demand peaks in Jul–Aug–Sep–Oct; the busiest month runs 6.0× the quietest.
- What does it cost to enter the willow pump bag niche?
- Listings span $9.30–$332.05; the average listing price is $42.09 (sweet spot $15–$100). The average incumbent carries 391 reviews — the moat a new listing must climb.