Q: What are they made from?
These compost bags are made primarily from vegetable oil and cornstarch, so they break down at roughly the same rate as other vegetable material once micro-organisms are present.
Compostable Bags
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One of the biggest complaints people have with composting is the build-up of food residues and smells in compost pails that are not cleaned thoroughly. These bags avoid this problem by letting you lift compost cleanly out of its container for disposal.
Made primarily from vegetable oil and cornstarch, the bags begin to break down at about the same rate as other vegetable material when micro-organisms from organic matter are present, leaving no harmful chemicals or residues.
The bags hold 3 gallons (10 litres); we suggest changing bags every 3 to 5 days. Not to be confused with so-called biodegradable plastics that merely break down into tiny plastic pieces and remain in the soil for years.
(Check with your municipality – not all accept these bags for curbside compost pick-up.)
These compost bags are made primarily from vegetable oil and cornstarch, so they break down at roughly the same rate as other vegetable material once micro-organisms are present.
Each bag holds 3 gallons (10 litres), a typical kitchen compost pail size; we suggest changing bags every 3 to 5 days to avoid build-up.
Not necessarily; acceptance varies by municipality, so check with your local composting program before relying on curbside pickup for these bags.
No, and that's an important difference: so-called biodegradable plastics often break into smaller plastic fragments that persist in soil for years, while these bags are made from vegetable oil and cornstarch that fully break down alongside other compost.
| Materials | Cornstarch; vegetable oil-based bioplastic |
| Compatibility | Fits standard 3-gallon (10 litre) kitchen compost pails |
| Capacity | 3 gal. (10 litres) per bag |
| Includes | Compostable bags |
| Package Quantity | Pack of 20 or 100 |
| Warranty | Lee Valley Satisfaction Guarantee |

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Compostable Bags
One of the biggest complaints people have with composting is the build-up of food residues and smells in compost pails that are not cleaned thoroughly. These bags avoid this problem by letting you lift compost cleanly out of its container for disposal.
Made primarily from vegetable oil and cornstarch, the bags begin to break down at about the same rate as other vegetable material when micro-organisms from organic matter are present, leaving no harmful chemicals or residues.
The bags hold 3 gallons (10 litres); we suggest changing bags every 3 to 5 days. Not to be confused with so-called biodegradable plastics that merely break down into tiny plastic pieces and remain in the soil for years.
(Check with your municipality – not all accept these bags for curbside compost pick-up.)