8 gallon compostable trash bags
Skip itA small market ($35K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Great11.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.94avg listing price — sweet spot $15–$100
Price range
Good$8.55–$29.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Review moat
Bad7,546.69avg 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
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.Peak months: Apr · busiest ÷ quietest = 1.6×
Top 8 gallon compostable trash bags search terms
- 8 gallon compostable trash bags8K/yr
- biodegradable trash bags 8 gallon4K/yr
- compostable trash bags 8 gallon4K/yr
- 8 gallon biodegradable trash bags3K/yr
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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$22.724.5★6,889 rev
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$16.944.5★8,846 rev
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$21.474.5★650 rev
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$12.604.2★47 rev
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$29.754.6★46,592 rev
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$13.9782 rev
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$14.6539 rev
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$17.797 rev
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$12.71666 rev
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$21.47650 rev
Trending
90-day click momentum8 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$13.974.6★
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$17.793.9★
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$28.284.4★
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$12.604.2★
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$14.654.4★
What buyers say about 8 gallon compostable trash bags
What buyers praise and complain about, mined from review topics.What buyers love
“Biodegradable”
“Very strong”
“Good quality and easy to open”
“work well for the size”
“These bags have not leaked on me yet”
“Compostable”
“Great bags, they dont tear”
“Price is fair for the quality”
“The handy dispensing box is great”
“I get a boost from the fabulous color”
What buyers complain about
“Doesnt fit”
“These bags are a bit thicker”
“poor quality control”
“Flimsy Drawstring”
“They should not advertise these as compostable if they're not actually compostable”
“So obviously, not leak-proof”
“Not BPI certified”
“Not compostable”
“Compost bags are expensive”
“False advertising”
Top return reasons
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.