








Product description






How do I choose the right size?
Measure your bin’s width and height before choosing a liner. Check the size guide and select the closest fit for your bin.
What does flat top liner mean?
A flat top liner has an open top without handles or drawstrings. It is designed to line bins smoothly and remove easily after use.
Does the star-sealed bottom help reduce leaks?
The star-sealed bottom helps distribute weight evenly and helps reduce leaks during everyday use.
How should I store compostable bags?
Store in a cool, dry place. Avoid excessive heat, direct sunlight, and moisture.
Can I compost these bags at home?
Selected UNNI bags are certified for home composting. Our Liner and Handle Tie bags are OK compost HOME certified by TÜV Austria.
Convenient Mid-Size Supply — 3 gallon / 11.35 liter (16.9 in x 17.7 in, 0.71 mil); 2 rolls x 100 bags (100 bags per roll). Designed for compact kitchen compost bins to keep food-scrap collection simple and clean; ideal for households that want fewer reorders.
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.
13 reviews for UNNI 3 Gallon Compost Bags for Countertop Bin, 200 CT, Extra Thick 0.71 Mil | Compostable Trash Bags for Kitchen Food Scraps, Small Bin Liners, 2 Packs of 100, Certified by BPI, CMA & OK compost HOME
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