UNNI Compostable Liner Bags

Curated from 105 real Reddit conversations

Refreshed on: April 10, 2025

UNNI Compostable Liner Bags

Brand: UNNI

Price: $16

Snoop Score:

6.8

Sentiment

6.2

Popularity

3.6

Technical

8.3

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Snoop's Take

The UNNI Compostable Liner Bags are designed to provide an eco-friendly solution for waste disposal, specifically tailored for collecting food scraps in medium-sized bins. These bags, with a capacity of 6-8 gallons and certified compostable under various standards, aim to reduce environmental impact while promoting sustainability. Consumer feedback highlights the effectiveness of these bags in compost heaps, with users noting that "compostable bags break down just fine in my compost heap." Many appreciate their durability and the environmental benefits over traditional plastic, stating that they are "one of the few things I still have on automatic reorder with Amazon." However, some users have expressed concerns over their composting capabilities in home environments, indicating that they may not break down as expected in certain conditions. Overall, the UNNI Compostable Liner Bags receive a mixed response but are recommended for those looking to switch to a more sustainable option for waste disposal, particularly if they have access to suitable composting conditions.

Not for you? Check out our other rated Compost Bags

Compostable bags break down just fine in my compost heap.
Positive Feedback

They don't keep your produce fresh.
Negative Feedback

6.8

UNNI Compostable Liner Bags

Buy on Amazon for $16

Kitchen Food Scrap Management

5 / 10

Home Composting

5 / 10

Eco-friendly Waste Disposal

5 / 10

Versatile Bin Compatibility

5 / 10

See how this compares to all Compost Bags

What it does well!

Key strengths users can’t stop talking about.

Compostable bags break down well in compost heaps.

“Compostable bags break down just fine in my compost heap.”➕

Compostable bags are better for the environment than plastic.

“Compostable bags decompose faster if left in the natural environment, which can be a good thing in scenarios like plastic bag being stuck on seal’s neck etc.”➕

Compostable bags can break down in hot compost heaps.

“Eventually broke down in mine, was picking it out of the sieve and throwing it back into the next pile for a quite a few months though.”➕

“I draw the line at anything glossy, or that doesn't fall apart in tap water.”➕

Better for the environment than plastic alternatives.

“Now I always put soiled napkins or paper towels in first and it keeps my bin from getting too disgusting (most of the time).”➕

Strong compostable bags

“One of the few things I still have on automatic reorder with Amazon.”➕

UNNI bags are CMA approved

“It's really nice to use the bags so the bin doesn't get super gross.”➕

“They have CMA (along with a bunch of others).”➕

Compostable at home

“It’s compostable at home. If you’re hot composting it will go faster.”➕

“If they say it's compostable, it's more compostable than anything else in the compost bin.”➕

TÜV Austria certification indicates high compostability

“I’ve used compostable bags, but only for the city’s composting program.”➕

Bags break down well in hot compost heaps.

“Can compostable bags actually be composted?”➕

“the majority of these bags break down within the year.”➕

Bags eventually break down, albeit slowly.

“Guess at least it does eventually break down.”➕

High quality home compostable bags

“Unni makes good high quality home compostable bags!”➕

Bags perform well when dry

“If mine stay dry (only holding compost browns), they will last over a week.”➕

UNNI bags are the cheapest compostable brand found on Amazon.

“I think the brand Unni on amazon is the cheapest compostable brand I could find on Amazon.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Compostable bags do not store produce well in the fridge.

“They don't keep your produce fresh.”➕

“when they start to, they smell like death, and make my vegetables smell like death as well.”➕

“Better to go with reusable containers.”➕

Do not break down well in home compost bins.

“So OK for your brown or council kitchen waste bin but not so much for your heap really.”➕

“you’d be better of just lining your bucket with kitchen roll or newspaper.”➕

Decompose too slowly in certain composting environments.

“Look for the TUV Home logo. That one does breakdown in your backyard.”➕

Bags are too small for medium amounts of food

“The problem I'm having is that the bags are just... SMALL.”➕

Confusion about compostability

“But I’m still figuring all of this out and this feels illegal.”➕

“I was under the impression these are only machine compostable and won’t in a pile.”➕

Bags are not compostable in home piles.

“No compostable plastics are actually compostable in home piles.”➕

Customer service issues with UNNI

“Had a bad experience with Unni customer service after buying bags and having the entire new roll tear to shreds because they don’t print an expiry date on their products.”➕

Compostable aspect causes liquids to leak.

“I think the compostable aspect of the bags makes liquids leak through them.”➕

Municipal composting bans compostable bags.

“The bags seem legit but hey the world is full of scams so maybe they are not actually compostable.”➕

Compostable bags can be confused with plastic bags.

“Your municipality is probably tired of people putting plastic bags in the compost bin.”➕

Compostable plastics take longer to break down.

“these “compostable” plastics just take too long to guarantee that.”➕

Previous experience with compostable bags resulted in tearing.

“the bag proceeds to split in two. Nope, the bag disintegrated in my hands.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
RAYTID Compostable Trash Bags 2.6 Gallon	$12	8.4	Details	Buy
Reli. Compostable 33 Gallon Trash Bags	$34	7.5	Details	Buy
Reli. Compostable 33 Gallon Trash Bags	$59	7.2	Details	Buy
UNNI Compostable Liner Bags	$20	7.0	Details	Buy
UNNI Compostable Liner Bags	$16	6.8	Details	Buy
YORJA 1.6 Gallon Tie Handles Compost Trash Bags	$9	6.2	Details	Buy
SUPERBIO 13 Gallon Compostable Drawstring Kitchen Waste Bags	$22	6.1	Details	Buy
UNNI Compostable Liner Bags	$12	5.9	Details	Buy
C CRYSTAL LEMON Biodegradable Kitchen Food Waste Bags	$14	5.8	Details	Buy
AYOTEE Mini Trash Bags - 200 Counts	$15	5.6	Details	Buy
SUPERBIO Compostable Food Scrap Bags	$13	4.9	Details	Buy
BioBag Original Compostable Bag	$12	4.8	Details	Buy
AYOTEE 75 Counts Mini Garbage Bags	$7	4.5	Details	Buy
ANECO 100% Compostable Waste Bags 2.6 Gallon	$17	4.4	Details	Buy
INNOTAK Lucky Family Green Compost Bags	$9	4.2	Details	Buy
Green Handle US Compostable 3 Gallon Kitchen Trash Bag	$6	4.1	Details	Buy
FORID Compostable Trash Bags - 13 Gallon	$18	3.9	Details	Buy
GreFusion Compostable Bags for Kitchen Compost Bin	$14	3.5	Details	Buy
OMOTIYA Compostable Trash Bags, Small Compost Bags 3 Gallon	$12	3.5	Details	Buy
BioBag Original Compostable Bag, 3 Gallon	$19	3.0	Details	Buy
TERRACOR 2.6 Gallon Compostable Bags	$11	2.5	Details	Buy
BEIDOU-PAC 1.6 Gallon Compostable Trash Bags	$15	0.8	Details	Buy
ECOBEWUS 2.6 Gallon Compostable Bags	$16	0.3	Details	Buy

Core Power Plays

The specs and strengths that make it shine.

Comparisons to other brands highlight strength differences

“Holdon bags are so far the strongest compostable bags I've tried... which really doesn't say much as they're designed to be weak so that they can compost properly.”➕

Biodegradable bags need oxygen to decompose properly.

“that bag is going to a landfill where it will be buried and "mummified"... it pretty much never decomposes.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.

Some people prefer using no bags or alternative materials.

“It kills me when I see people putting one apple in a plastic bag.”➕

Some users prefer using no bags or alternative materials.

“My folks just use a bowl and put a paper towel in the bottom.”➕

“I use junk mail and paper bags that are too torn up to use to line the compost bowl, it works great.”➕

Discussion about alternatives to using bags

“Would you be able to not use a bag at all?”➕

“I got some bags off amazon that work pretty well at keeping in liquids.”➕

“I just take the counter container out every day, no bag, and rinse or wash it when I bring it in.”➕

“I put a sheet of kitchen roll down the bottom so I only need to wash/rinse it every other week.”➕

Discussion about using alternative bags

“What compostable bags do you guys use?”➕

“Ngl, I take a couple extra ones from trader Joe's.”➕

“I thought we weren’t supposed to use any bags at all.”➕

Some users prefer using alternative materials for composting.

“I've just started using brown paper lunch bags to collect my kitchen scraps.”➕

Users seeking alternatives to UNNI bags

“Perhaps expand your search to the Litter Genie compostable bags and its substitutes.”➕

Users prefer alternative containers for composting.

“I haven't used the bags once, I'm with you, they're just wasteful and not necessary.”➕

“I line my counter bin with newspaper folded to make an envelope, and we empty it every 1-2 days.”➕

“The best solution I’ve found is to store compost in the freezer.”➕

Alternative methods for composting without bags

“It seems to help soak up some of the extra liquid and keep the compostable bin liner in the bigger bin from breaking down before compost day.”➕

“But since there are no juices the bags don't break down.”➕

Users suggest looking for cornstarch bags as an alternative.

“There are neat cornstarch bags on Amazon (: I forget the brand, I think it’s something like Kimoyu.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Unawareness of special bag requirements

“I did not realize it needed a special bag.”➕

Some municipalities allow plastic bags but ban compostable bags.

“I can only assume the 'composting' process is so hot it's literally on fire.”➕

Alternatives to compostable bags include using recycled materials.

“this is how I try to be eco-friendly about poo.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

There is confusion about the compostability of these bags.

“They can't be composted.”➕

Biodegradable does not equal compostable.

“Biodegradable does not equal compostable.”➕

Concerns about microplastics in compost from compostable bags.

“We have to get away from plastics in settings where it's not absolutely needed.”➕

Issues with contamination in urban composting.

“There's no way we are sorting it, in the truck it goes and gets shredded and made into nyc compost that's full of literal chunks of plastic.”➕

Concerns about produce going bad in compostable bags

“I've had a couple of instance where produce (I'm remembering lemons in particular) went bad super quickly.”➕

There is skepticism about the effectiveness of compostable plastics.

“The plastic ones I used that claimed to be biodegradable definitely were not.”➕

Concerns about composting and liquid containment

“They allow them here in Cali so I actually use them to protect against liquid that can happen from bio items.”➕

“Oh and they only pickup compost once a week so we need them to contain for the entire week prior to pickup.”➕

Challenges with compostable bags in kitchen storage

“But problem is, most of the bags I've used start breaking down in the bin before trash day arrives.”➕

Discussion about the effectiveness of compostable bags.

“Don’t buy or use plastic that claims to be compostable.”➕

UNNI Compostable Liner Bags

Curated from 105 real Reddit conversations

UNNI Compostable Liner Bags

Snoop's Take

UNNI Compostable Liner Bags

Kitchen Food Scrap Management

Home Composting

Eco-friendly Waste Disposal

Versatile Bin Compatibility

What it does well!

Where it needs some work!

Compare On All Talked About Dimensions

Core Power Plays

Hidden Hero Hacks

Buyer’s Cheat Sheet

Cautionary Callouts

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