---
title: "8 Gallon Compostable Trash Bags — $35K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/8-gallon-compostable-trash-bags"
last_updated: "2026-08-09T03:56:49.917Z"
locale: en
meta:
description: "Niche score 46/100 · $35K/yr market · 18K searches/yr · $16.94 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $35K/yr market · 18K searches/yr · $16.94 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "8 Gallon Compostable Trash Bags — $35K/yr Amazon US Niche (2026) - Flapen"
---
# **8 gallon compostable trash bags**
**Skip it**
A small market ($35K/yr) — this niche doesn't clear our bar today.
Market size 9Growth 22Conversion 93Competition 27Returns 97Price range 70Avg price 80Brand share 44Review moat 23Quality gap 50
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$16.94**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$8.55–$29.75**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****7,546.69**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-6.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$35K**
$35K/yr · 18K searches
According to Flapen's Amazon United States niche tracking, 8 gallon compostable trash bags is a $35K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Apr. Verdict: Skip it — 46/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **8 gallon compostable trash bags market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$34K–$42K**
- units × avg price
- **Conversion rate**
- **11.5%**
- **Avg BSR**
- **#294**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **4.3%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **—flat
**Sellers**
**18**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**16%**
- FORID22% - AYOTEE21% - superbio15% - UNNI13% - Wifpme7% - ACQKUNLO6% - Open — no brand owns it (6 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — -6.9% search growth over the last 90 days.
700500Spike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/8-gallon-compostable-trash-bags/trend)
## **Top 8 gallon compostable trash bags search terms**
- **8 gallon compostable trash bags**8K/yr-7.4%10.1% conv. - **biodegradable trash bags 8 gallon**4K/yr+10.6%5.1% conv. - **compostable trash bags 8 gallon**4K/yr-29.6%15.4% conv. - **8 gallon biodegradable trash bags**3K/yr+3.4%8.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/8-gallon-compostable-trash-bags/search-terms)
## **Top 8 gallon compostable trash 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.
0%10%$4K20%$7K30%$11K40%$14K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Compostable Trash Bags - FORID 8 Gallon Garbage Bags 150 Count Trash Can Liners 30 Liter Unscented Medium Wastebasket Bags for Kitchen Bathroom Home Office Garbage Can (5Rolls/Green) - Durable & Thick**FORID**$22.72**4.5★6,889 rev](https://www.amazon.com/dp/B085NLYBNK) [2**Biodegradable 8 Gallon Trash Bags AYOTEE Garbage Bags 8 gallon Compostable Medium Trash Bag Unscented Leak Proof Bag for Office Home Bathroom Bedroom Car Kitchen Pet(Green)**AYOTEE**$16.94**4.5★8,846 rev](https://www.amazon.com/dp/B0829Q12FZ) [3**SUPERBIO 8 Gallon Compostable Drawstring Kitchen Waste Bags 30.3 Liter 30 Count 1 Mil Heavy Duty Food Waste Bags BPI Seedling and OK compost INDUSTRIAL**superbio**$21.47**4.5★650 rev](https://www.amazon.com/dp/B0DXZXHRGQ) [4**Biodegradable Trash Bags 8 Gallon 100 Count Small Compost Bags Compostable Strong Bathroom Garbage Bags with Tear & Leak Resistant Recycling Eco-Friendly Trash Can Plastic Liner**Wifpme**$12.60**4.2★47 rev](https://www.amazon.com/dp/B0C6QKDG5N) [5**UNNI Compostable Trash Bags 8 Gallon / 30 Liter 100 Count Extra Thick 0.85 mil Medium Kitchen Food Scrap Bin Liners Certified by BPI CMA & OK compost HOME Meets the ASTM D6400 Standard**UNNI**$29.75**4.6★46,592 rev](https://www.amazon.com/dp/B077MWKYG9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**8 Gallon Green Garbage Bags - Unscented Compostable Large Trash Bag Heihaily 5 Roll 100 Count Bulk Waste Basket Liners Leakage-Free Maximum Strength for Kitchen or Utility Room**heihaily**$13.97**82 rev4mo ago](https://www.amazon.com/dp/B0GDFSG8KY) [**AYOTEE Compostable Trash Bags 8 Gallon Trash Bags Drawstring Unscented 50 Count Drawstring Thick Tear Free Medium Garbage Bags 8 Gallon 30L TrashBags Wastebasket Liners for Kitchen Home Office Use**AYOTEE**$14.65**39 rev11mo ago](https://www.amazon.com/dp/B0FLJYF84M) [**EnvoWise Compostable Trash Bags with Handles 8 Gallon (30L) 60 Count | Premium Thick BPI & OK Compost Industrial Certified Tall Slim-Fit Design for 58 Gallon Kitchen & Compost Bins**EnvoWise**$17.79**7 rev1y ago](https://www.amazon.com/dp/B0FH66GTL3) [**Biodegradable Medium Trash Bags 8 Gallon - Compostable Clear Green Garbage Bags Unscented 100 Count Strong Thick Waste Basket Can Liners for Home Office Bedroom Heihaily**heihaily**$12.71**666 rev1y ago](https://www.amazon.com/dp/B0F6TL9XN9) [**SUPERBIO 8 Gallon Compostable Drawstring Kitchen Waste Bags 30.3 Liter 30 Count 1 Mil Heavy Duty Food Waste Bags BPI Seedling and OK compost INDUSTRIAL**superbio**$21.47**650 rev1y ago](https://www.amazon.com/dp/B0DXZXHRGQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**8 Gallon Green Garbage Bags - Unscented Compostable Large Trash Bag Heihaily 5 Roll 100 Count Bulk Waste Basket Liners Leakage-Free Maximum Strength for Kitchen or Utility Room**heihaily**$13.97**4.6★**▲ 331%**](https://www.amazon.com/dp/B0GDFSG8KY) [**EnvoWise Compostable Trash Bags with Handles 8 Gallon (30L) 60 Count | Premium Thick BPI & OK Compost Industrial Certified Tall Slim-Fit Design for 58 Gallon Kitchen & Compost Bins**EnvoWise**$17.79**3.9★**▲ 234%**](https://www.amazon.com/dp/B0FH66GTL3) [**OrangeBio 6-8 Gallon Compostable Trash Bags 100 Count Kitchen Food Waste & Compost Bin Liners Plant-Based Garbage Bags BPI ASTM D6400 & TV OK Compost Home Certified**OrangeBio**$28.28**4.4★**▲ 52%**](https://www.amazon.com/dp/B0FJQL4157) [**Biodegradable Trash Bags 8 Gallon 100 Count Small Compost Bags Compostable Strong Bathroom Garbage Bags with Tear & Leak Resistant Recycling Eco-Friendly Trash Can Plastic Liner**Wifpme**$12.60**4.2★**▲ 50%**](https://www.amazon.com/dp/B0C6QKDG5N) [**AYOTEE Compostable Trash Bags 8 Gallon Trash Bags Drawstring Unscented 50 Count Drawstring Thick Tear Free Medium Garbage Bags 8 Gallon 30L TrashBags Wastebasket Liners for Kitchen Home Office Use**AYOTEE**$14.65**4.4★**▲ 40%**](https://www.amazon.com/dp/B0FLJYF84M)
**~~View all trending →~~**
## **What buyers say about 8 gallon compostable trash bags**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Eco Friendliness**20%
*“Biodegradable”*
**Strength**14%
*“Very strong”*
**Quality-Overall**10%
*“Good quality and easy to open”*
**Size-Overall**7%
*“work well for the size”*
**Leak-Proof**7%
*“These bags have not leaked on me yet”*
**Recycle/Reuse**5%
*“Compostable”*
**Durability**3%
*“Great bags, they dont tear”*
**Value For Money**3%
*“Price is fair for the quality”*
**Dispensing Mechanism**3%
*“The handy dispensing box is great”*
**Color**2%
*“I get a boost from the fabulous color”*
### **What buyers complain about **
**Size-Overall**11%
*“Doesnt fit”*
**Thickness**10%
*“These bags are a bit thicker”*
**Quality-Overall**10%
*“poor quality control”*
**Strength**9%
*“Flimsy Drawstring”*
**Eco Friendliness**7%
*“They should not advertise these as compostable if they're not actually compostable”*
**Leak-Proof**6%
*“So obviously, not leak-proof”*
**Certifications**4%
*“Not BPI certified”*
**Recycle/Reuse**4%
*“Not compostable”*
**Value For Money**3%
*“Compost bags are expensive”*
**Advertised Vs Actual Product**3%
*“False advertising”*
### **Top return reasons **
**Size-Overall**63%
**Advertised Vs Actual Product**7%
**Durability**4%
**Thin**4%
**Eco Friendliness**3%
**Value For Money**3%
**Thickness**3%
**Certifications**2%
**Quality-Overall**2%
**Functionality-Overall**2%
## **Common questions**
- **Is 8 gallon compostable trash bags profitable to sell on Amazon United States?**
- The niche generates $35K/yr across 16 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -6.9%. Flapen's verdict: Skip it (46/100).
- **How competitive is the 8 gallon compostable trash bags niche?**
- 12 brands and 18 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in 8 gallon compostable trash bags?**
- Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 0.5%.
- **When does demand for 8 gallon compostable trash bags peak?**
- Demand peaks in Apr; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the 8 gallon compostable trash bags niche?**
- Listings span $8.55–$29.75; the average listing price is $16.94 (sweet spot $15–$100). The average incumbent carries 7,547 reviews — the moat a new listing must climb.
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