---
title: "Nephrostomy Bag — $9K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/nephrostomy-bag"
last_updated: "2026-08-12T06:08:39.081Z"
locale: en
meta:
description: "Amazon product research for nephrostomy bag: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for nephrostomy bag: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Nephrostomy Bag — $9K/mo Amazon US Product Research (2026)"
---
# **Nephrostomy Bag**
**Worth a look**
Shows a thin review moat (66 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 26Growth 38Conversion 78Competition 53Returns 88Price range 95Avg price 95Brand share 34Review moat 97Quality gap 65
**Review moat**
**Incredible****65.57**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Incredible****$24.15**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$15.36–$38.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+10.0%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$107K**
$107K/yr · 58K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
## **Is nephrostomy bag profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, nephrostomy bag is a $107K/yr Amazon United States market (58K searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nephrostomy bag market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$72K–$97K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#333**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **23.9%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **162 days**
## **Competition: brands, sellers & click share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▼falling
**Sellers**
**10**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 97%
**Open market**
**9%**
- filigan26% - Urosagan25% - lifevv16% - Opstra Yee10% - YOOGUSTO8% - Dedsio6% - Open — no brand owns it (3 brands, 9%)
## **nephrostomy bag demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.0% search growth over the last 90 days.
1K750Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/nephrostomy-bag/trend)
## **Top nephrostomy bag search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **nephrostomy bag**29K/yr-1.9%6.8% conv. - **nephrostomy drainage bag**13K/yr+36.1%5.6% conv. - **biliary drainage bag**5K/yr+16.7%2.3% conv. - **nephrostomy bags**4K/yr+1.5%6.4% conv. - **uresil 600 ml drainage bag**4K/yr-2.2%3.9% conv. - **merit drainage depot**3K/yr+25.8%4.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/nephrostomy-bag/search-terms)
## **Top nephrostomy bag products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$4K8%$9K12%$13K16%$17K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**3-Pack 600ml Clear Nephrostomy Bags with 1-Pack 3.5cmx110cm Waist Belt**Urosagan**$26.41**4.3★70 rev](https://www.amazon.com/dp/B0FP4LTBHY) [2**Filigan 600ml Nephrostomy Bags Clear Urine Drainage Bag with 24 Silicone Tube Twist Drain Valve (Pack of 5)**filigan**$36.31**4.3★64 rev](https://www.amazon.com/dp/B0F27HF6PG) [3**Lifevv 600 ML Urine Drainage Bag Drainage w/Clear Bag Nephrostomy Bag with 24 Silicone Tube Twist Drain Valve (1 Pack)**lifevv**$17.84**4.2★314 rev](https://www.amazon.com/dp/B0B2LHJWNV) [4**3-Pack 750ml Nephrostomy Drainage Bag with 24-inch Silicone Tubing**Urosagan**$23.00**4.4★30 rev](https://www.amazon.com/dp/B0FH71TFDH) [5**800ml Nephrostomy Bags with 24 Inch Silicone Tube Urine Drainage Bag with Twist Drain Valve Pack of 3**filigan**$21.83**4.5★14 rev](https://www.amazon.com/dp/B0FFMTFW8N)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2 Pcs Nephrostomy Drainage Bag 600ml with Soft 24-Inch Tube Portable Urine Collection Bag with Twist Valve and Adjustable Leg Straps**Opstra Yee**$19.85**7 rev2mo ago](https://www.amazon.com/dp/B0FFH67NCY) [**750ml Nephrostomy Drainage Bag 3 Pack Drainage Bag with 24-inch Silicone Tubing Twist Drain Valve with 3 Pcs Soft Reusable Elastic Straps**QIHENGPLUS**$20.23**7 rev3mo ago](https://www.amazon.com/dp/B0GYZ1391B) [**4-Pack 1000ml Nephrostomy Bag Disposable Urine Drainage Bag with 47 Silicone Tube T-Tap Drain Valve Anti-Reflux Valve Robert Clamp**filigan**$25.89**8 rev4mo ago](https://www.amazon.com/dp/B0GV2WD53J) [**3 Pack Nephrostomy Bags 600ml with 24 Inch Soft Kink-Resistant Tube Portable Urine Drainage Bags with Twist Valve and Adjustable Leg Straps**YOOGUSTO**$26.85**1 rev4mo ago](https://www.amazon.com/dp/B0FFH81551) [**750ml Nephrostomy Bags 3 Pack Urine Drainage Bag Clear Bags with 24 Silicone Tube Twist Drain Valve with 6 Pcs Soft Adjustable Leg Bag Straps for Secure Fit**Dedsio**$20.10**39 rev6mo ago](https://www.amazon.com/dp/B0G4LZGC42)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**3-Pack Nephrostomy Urine Drainage Bags (600ml) Transparent Leg Bag with 24 Kink-Resistant Tube Twist Drain Valve & Adjustable Soft Straps**YOOGUSTO**$26.72**4.6★**▲ 249%**](https://www.amazon.com/dp/B0FFH69ZWD) [**4-Pack 1000ml Nephrostomy Bag Disposable Urine Drainage Bag with 47 Silicone Tube T-Tap Drain Valve Anti-Reflux Valve Robert Clamp**filigan**$25.89**4.8★**▲ 249%**](https://www.amazon.com/dp/B0GV2WD53J) [**2PCS Nephrostomy Bag 600ml Portablewith 24-Inch Soft Tube Adjustable Leg Straps & Easy Twist Drain Valve**Opstra Yee**$20.05**4.5★**▲ 248%**](https://www.amazon.com/dp/B0H23YW6XN) [**750ml Nephrostomy Drainage Bag 3 Pack Drainage Bag with 24-inch Silicone Tubing Twist Drain Valve with 3 Pcs Soft Reusable Elastic Straps**QIHENGPLUS**$20.23**4.1★**▲ 246%**](https://www.amazon.com/dp/B0GYZ1391B) [**AUSTYLCO New Type of Urine Bag Pants Underwear Urine Bag Pants for Elderly Urine Drainage Bag Underwear Nephrostomy Bag Pants for Abdominal Surgeries Patient**AUSTYLCO**$19.38**5.0★**▲ 155%**](https://www.amazon.com/dp/B0D5X6346Q)
**~~View all trending →~~**
## **What reviews say buyers love and hate about nephrostomy bag**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“Good quality bags”*
**Advertised Vs Actual Product**9%
*“as advertised”*
**Value For Money**8%
*“worth it”*
**Leak-Proof**8%
*“Doesn't Leak”*
**Ease Of Use**7%
*“Easy to take off”*
**Strap/String Quality**6%
*“The straps are comfortable”*
**Comfort-Overall**4%
*“Comfortable”*
**Size-Overall**4%
*“a decent length”*
**Adjustability/Rotatability/Reclining**3%
*“which has an adjustable thread”*
**Design-Overall**3%
*“clearly designed for user comfort”*
### **What buyers complain about **
**Leak-Proof**25%
*“This one leaked also”*
**Size-Overall**14%
*“Tubing is WAY too small”*
**Quality-Overall**14%
*“These bags are poorly made”*
**Jamming/Clogging**3%
*“Valves clogging in one week or less”*
**Thickness**3%
*“These are nice bags not super thick”*
**Smell**3%
*“However, these do not last more than 2, maybe 3, days without it starting to smell”*
**Ease Of Use**3%
*“It makes it too difficult to urinate quickly”*
**Strap/String Quality**3%
*“Only downside is the strap is too big for the little slits”*
**Durability**2%
*“Only Lasts a Week”*
**Value For Money**2%
*“Goid price”*
### **Top return reasons **
**Size-Overall**44%
**Leak-Proof**8%
**Connectivity-Overall**7%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**5%
**Material Quality**4%
**Waist Fit**4%
**Functionality-Overall**3%
**Ease Of Use**2%
**Add-Ons/Attachments**2%
## **Common nephrostomy bag questions**
- **Is nephrostomy bag profitable to sell on Amazon United States?**
- The niche generates $107K/yr across 23 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is +10.0%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the nephrostomy bag niche?**
- 9 brands and 10 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in nephrostomy bag?**
- Top complaints mined from reviews: Leak-Proof, Size-Overall, Quality-Overall. The return rate is 1.3%.
- **When does demand for nephrostomy bag peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the nephrostomy bag niche?**
- Listings span $15.36–$38.86; the average listing price is $24.15 (sweet spot $15–$100). The average incumbent carries 66 reviews — the moat a new listing must climb.
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