Top 10 Best compostable bags in 2026

Last Updated - 6/12/2026

🏆Best Choice

UNNI

UNNI Compostable Trash Bags, 2.6 Gallon / 9.84 Liter, 200 Count, Extra Thick 0.71 Mil Small Kitchen Food Scrap Bin Liners, Certified by BPI, CMA & OK compost HOME, Meets the ASTM D6400 Standard

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Compostable Material: Made from compostable material that breaks down naturally in the soil
•Large Capacity: Each bag holds 2.6 gallons or 9.84 liters of waste
•Thick and Durable: Extra thick 0.71 mil bags are strong and durable for heavy waste
•Easy to Use: Simply place waste in the bag and tie it closed for easy disposal
•Certified Compostable: Meets ASTM D6400 standards for home composting and is certified by US BPI, CMA and Europe OK

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$23.95

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UNNI

UNNI Compostable Trash Bags, 2.6 Gallon / 9.84 Liter, 100 Count, Extra Thick 0.71 Mil Small Kitchen Food Scrap Bin Liners, Certified by BPI, CMA & OK compost HOME, Meets the ASTM D6400 Standard

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Perfect Fit for Small Kitchen Bins — 2.6 gallon / 9.84 liter (16.3 in x 16.5 in, 0.71 mil); 100 bags per roll. Designed for compact kitchen compost bins to keep food-scrap collection simple and clean.
•Everyday Strength — 0.71 mil liners handle daily kitchen scraps and peels, helping keep bins clean and tidy.
•Certified Compostable — Independently certified by BPI (U.S., to ASTM D6400), CMA (field-tested in operating facilities), and OK compost HOME by TÜV AUSTRIA (home/backyard).
•Made with Plant-Based Materials — Helps reduce reliance on conventional plastics; suitable for kitchens, bathrooms, and offices.
•Usage & Storage — Store in a cool, dry place; use within 9 months for best performance. Note: Commercial composting may not be available in all areas—check local availability.

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$12.98

$14.95

-13%

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UNNI

UNNI Compostable Trash Bags, 13 Gallon / 49.2 Liter, 50 Count, Extra Thick 0.9 Mil Tall Kitchen Food Scrap Bin Liners, Certified by BPI, CMA & OK compost HOME, Meets the ASTM D6400 Standard

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Perfect Fit for Tall Kitchen Cans — 13 gallon / 49.2 liter (23.75 in x 31.49 in, 0.9 mil); 50 bags per roll. Designed for tall kitchen compost/trash cans to keep food-scrap collection simple and clean.
•Reinforced 0.9 Mil — Handles daily kitchen peels and scraps, helping keep tall bins tidy.
•Certified Compostable — Independently certified by BPI (U.S., to ASTM D6400), CMA (field-tested in operating facilities), and OK compost HOME by TÜV AUSTRIA (home/backyard).
•Made with Plant-Based Materials — Helps reduce reliance on conventional plastics; suitable for kitchens, bathrooms, and offices.
•Usage & Storage — Store in a cool, dry place; use within 9 months for best performance. Note: Commercial composting may not be available in all areas—check local availability.

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$19.98

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UNNI

UNNI Compostable T-Shirt Bags with Tie Handles, 2.6 Gallon / 9.84 Liter, 100 Count, 0.68 mil Small Kitchen Caddy Liners, Certified by BPI, CMA & OK compost HOME, Meets ASTM D6400

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Household Supply — 2.6 gal / 9.84 L (16.3 in × 22 in, 0.68 mil); 100 bags per roll. Ideal for countertop compost bins and small kitchen trash cans. Fewer reorders for busy households.
•Handle-Tie Convenience — T-shirt style with tie handles for quick closure and easy carry; secure knots help contain odors and mess.
•Certified Compostable — Certified by BPI (U.S. industrial), CMA (facility-verified), and OK compost HOME (home/backyard); meets ASTM D6400.
•Made with Plant-Based Materials — Helps reduce reliance on conventional plastics; great for kitchens, dorms, offices, and breakrooms.
•Usage & Storage — Store in a cool, dry place; use within 9 months for best performance. Note: Commercial composting may not be available in all areas—check local availability.

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$18.98

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UNNI

UNNI Compostable T-Shirt Bags with Tie Handles, 1.6 Gallon / 6 Liter, 100 Count, 0.64 mil Small Kitchen Caddy Liners, Certified by BPI, CMA & OK compost HOME, Meets ASTM D6400

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Household Supply — 2.6 gal / 9.84 L (16.3 in × 22 in, 0.68 mil); 100 bags per roll. Ideal for countertop compost bins and small kitchen trash cans. Fewer reorders for busy households.
•Handle-Tie Convenience — T-shirt style with tie handles for quick closure and easy carry; secure knots help contain odors and mess.
•Certified Compostable — Certified by BPI (U.S. industrial), CMA (facility-verified), and OK compost HOME (home/backyard); meets ASTM D6400.
•Made with Plant-Based Materials — Helps reduce reliance on conventional plastics; great for kitchens, dorms, offices, and breakrooms.
•Usage & Storage — Store in a cool, dry place; use within 9 months for best performance. Note: Commercial composting may not be available in all areas—check local availability.

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$17.95

$18.95

-5%

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UNNI

UNNI Compostable T-Shirt Bags with Tie Handles, 3 Gallon / 11.35 Liter, 100 Count, 0.68 mil Small Kitchen Caddy Liners, Certified by BPI, CMA & OK compost HOME, Meets ASTM D6400

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Household Supply — 3 gal / 11.35 L (16.9 in × 23.2 in, 0.68 mil); 100 bags per roll. Ideal for countertop compost bins and small kitchen trash cans. Fewer reorders for busy households.
•Handle-Tie Convenience — T-shirt style with tie handles for quick closure and easy carry; secure knots help contain odors and mess.
•Certified Compostable — Certified by BPI (U.S. industrial), CMA (facility-verified), and OK compost HOME (home/backyard); meets ASTM D6400.
•Made with Plant-Based Materials — Helps reduce reliance on conventional plastics; great for kitchens, dorms, offices, and breakrooms.
•Usage & Storage — Store in a cool, dry place; use within 9 months for best performance. Note: Commercial composting may not be available in all areas—check local availability.

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$19.95

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UNNI

UNNI Compostable Drawstring Bags, 13 Gallon, 49.2 Liter, 30 Count, Heavy Duty 1 Mil, Tall Kitchen Food Scrap Waste Bags, ASTM D6400, US BPI, CMA & Europe OK compost Certified, San Francisco

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•13 Gallon / 49.2 Liter capacity; Size: 1 FT 11-3/4in x 2 FT 1-3/8in x 1 Mils; 30 Bags Per Roll.Excellent for tall kitchen bins and managing household waste. Rooted in the heart of San Francisco, we create solutions that support eco-friendly living and a sustainable future.
•Certified for a Greener Future: UNNI compostable bags are certified to meet compostability standards in both the U.S. and Europe: BPI Certified: Compliant with ASTM D6400 for industrial composting in the U.S. OK compost HOME: Certified by TÜV Austria for home composting systems in Europe. CMA Verified: Approved by the Compost Manufacturing Alliance for reliable decomposition in real-world composting environments.
•Usage and Storage： Store bags in a cool, dry place and avoid exposure to excessive heat. Use within 9 months of purchase for best performance and compostability.
•UNNI compostable bags are the smart choice for a cleaner environment and an ECO-FRIENDLY future. Thank you taking care of our planet for FUTURE GENERATIONS by replacing plastic with our sustainably manufactured, compostable bags. Together, U 'N' I make earth a better place!
•Please note: Commercial composting facilities may not be available in all areas. We recommend verifying local availability to ensure compliance with composting requirements.

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$17.95

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UNNI

UNNI Compostable Drawstring Bags, 1.2 Gallon, 4.5 Liter, 80 Count, Heavy Duty 1 Mil, Small Kitchen Food Scrap Waste Bags, ASTM D6400, US BPI, CMA & Europe OK compost Certified, San Francisco

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•1.2 Gallon / 4.5 Liter capacity; Size: 12.2″ x 16.5″ x 1 Mils; 80 Bags Per Roll. Perfect for compact bins and collecting food scraps. Rooted in the heart of San Francisco, we create solutions that support eco-friendly living and a sustainable future.
•Certified for a Greener Future: UNNI compostable bags are certified to meet compostability standards in both the U.S. and Europe: BPI Certified: Compliant with ASTM D6400 for industrial composting in the U.S. OK compost HOME: Certified by TÜV Austria for home composting systems in Europe. CMA Verified: Approved by the Compost Manufacturing Alliance for reliable decomposition in real-world composting environments.
•Usage and Storage： Store bags in a cool, dry place and avoid exposure to excessive heat. Use within 9 months of purchase for best performance and compostability.
•UNNI compostable bags are the smart choice for a cleaner environment and an ECO-FRIENDLY future. Thank you taking care of our planet for FUTURE GENERATIONS by replacing plastic with our sustainably manufactured, compostable bags. Together, U 'N' I make earth a better place!
•Please note: Commercial composting facilities may not be available in all areas. We recommend verifying local availability to ensure compliance with composting requirements.

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$18.95

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UNNI

UNNI Compostable Drawstring Bags, 6-8 Gallon, 23-30 Liter, 45 Count, Heavy Duty 1 Mil, Medium Food Scrap Waste Bags, ASTM D6400, US BPI, CMA & Europe OK compost Certified, San Francisco

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•6 - 8 Gallon / 20 - 23 Liter capacity; Size: 22" x 24" x 1 Mils; 45 Bags Per Roll. Great for medium-sized bins and compost bins. Rooted in the heart of San Francisco, we create solutions that support eco-friendly living and a sustainable future.
•Certified for a Greener Future: UNNI compostable bags are certified to meet compostability standards in both the U.S. and Europe: BPI Certified: Compliant with ASTM D6400 for industrial composting in the U.S. OK compost HOME: Certified by TÜV Austria for home composting systems in Europe. CMA Verified: Approved by the Compost Manufacturing Alliance for reliable decomposition in real-world composting environments.
•Usage and Storage： Store bags in a cool, dry place and avoid exposure to excessive heat. Use within 9 months of purchase for best performance and compostability.
•UNNI compostable bags are the smart choice for a cleaner environment and an ECO-FRIENDLY future. Thank you taking care of our planet for FUTURE GENERATIONS by replacing plastic with our sustainably manufactured, compostable bags. Together, U 'N' I make earth a better place!
•Please note: Commercial composting facilities may not be available in all areas. We recommend verifying local availability to ensure compliance with composting requirements.

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$23.95

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UNNI

UNNI Compostable Sandwich Bags, Resealable Compostable Food Storage Bags, 50 Count, 6.5 x 6.7 inches, Earth Friendly Highest ASTM D6400, US BPI, CMA & Europe OK Compost Certified, San Francisco

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Size 6.5 X 6.7 Inches; Extra Thick 2 Milliliters; 50 Count
•CERTIFIED COMPOSTABLE IN U.S. & EUROPE: Certified by the Biodegradable Products Institute (BPI) under US standard ASTM D6400. Certified OK Compost Home under European standard EN 13432 by Vinçotte and Tüv Austria. OK Compost Home certification guarantees 100% BIODEGRADABILITY IN HOME COMPOSTING facilities. Compost Manufacturing Alliance (CMA) Approved: CMA verifies the compliance of UNNI compostable products with real-world composting standards through disintegration tests.
•HIGHEST BIOBASED CONTENT: UNNI Compostable Bags are made from plant starches and contain NO polyethylene. Bags are durable, nontoxic, easy to use and great for the environment.
•USAGE & STORAGE: Avoid excessive heat; store Compostable Bags in a cool, dry place and use within one year of purchase. Purchase only as many as you can use in 9 months.
•UNNI compostable bags are the ethical choice for a cleaner environment and an ECO-FRIENDLY future. Thank you taking care of our planet for FUTURE GENERATIONS by replacing plastic with our sustainably manufactured, compostable bags. Together, U ‘n’ I make Earth a better place.

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$7.48

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