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UNNI Compostable Liner Bags

Curated from 117 real Reddit conversations

Refreshed on: April 10, 2025

UNNI Compostable Liner Bags

Brand: UNNI

Price: $20

Snoop Score:

7.0

Sentiment

4.4

Popularity

4.1

Technical

8.7

Buy on Amazon for $20 See All Compost Bags Reviews

As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The UNNI Compostable Liner Bags are heavy-duty, eco-friendly bags designed for collecting food scraps in tall kitchen bins. With a capacity of 13 gallons and certified for home composting, these bags aim to support sustainable waste management by replacing traditional plastic bags. Consumer feedback highlights the bags' strong performance and effectiveness in compost bins, with one user noting, "Unni makes good high quality home compostable bags!" However, some users have raised concerns about their durability, stating that the bags may break down too quickly during storage or when exposed to moist contents. Despite these mixed sentiments, many appreciate the affordability of the product, with one user mentioning, "I think the brand Unni on amazon is the cheapest compostable brand I could find on Amazon." Overall, while there are some reservations about the bags' longevity in various conditions, the UNNI Compostable Liner Bags are generally recommended for those seeking a sustainable option for food waste collection. They align well with eco-friendly practices and receive a favorable reception in the composting community.

Not for you? Check out our other rated Compost Bags

One of the few things I still have on automatic reorder with Amazon.
Positive Feedback

They don't keep your produce fresh.
Negative Feedback

7.0

UNNI Compostable Liner Bags

Buy on Amazon for $20

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.

Strong performance for compostable bags

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

Certified compostable bags

“You will still have to clean out the indoor bin as any good compostable bag eventually leaks.”➕

Home compostable certification

“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.”➕

Compostable bags are effective in compost bins

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

Effective for food waste bins

“Which do you guys use?”➕

“It fits the food waste bin fine.”➕

High quality home compostable bags

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

Affordable compostable bag option

“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 break down too quickly in storage

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

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

Bags do not break down quickly in home composting

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

“It took longer than the thickest of sticks I have ever had in there.”➕

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

Bags are too small for easy use

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

Produce spoils quickly in these bags

“I've had a couple of instance where produce (I'm remembering lemons in particular) went bad super quickly and I'm curious if it's related to the produce bags.”➕

Concerns about using bags at all

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

Compostable bags only break down in industrial facilities

“They can only be composted in an industrial composting facility.”➕

“So it’s all marketing then, sucha shame.”➕

Previous experiences with biodegradable bags were negative

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

Some compostable bags do not break down as expected

“the majority of these bags break down within the year. If they didn't it would be rather noticeable.”➕

Customer service issues reported

“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.”➕

Bags allow liquids to leak through

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

Bags deteriorate quickly with moist contents

“if you are including veggie peels, used tea/coffee grounds, or anything that is moist, the compostable bags will start to deteriorate much quicker.”➕

Concerns about local composting regulations

“Does that make sense? Are they just being overly cautious?”➕

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

“They want to have a finished product at the end of a set period of time, and these 'compostable' plastics just take too long to guarantee that.”➕

Bags may break down too quickly during storage

“The damn things started to compost in my cabinet.”➕

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.

Compostable bags decompose well in compost heaps

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

Discussion on the use of compostable bags

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

Personal experiences with compostable bags

“they're just wasteful and not necessary.”➕

Hidden Hero Hacks

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

Compostable bags can be beneficial in natural environments

“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.”➕

Use of alternative materials like paper bags for composting

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

Alternatives to compostable bags suggested

“I haven’t researched if they’re truly compostable, but these are the “pet” version of the diaper genie.”➕

“I’m also about to have a baby so was planning to use for containing smell of reusable diaper bamboo liners which paper just won’t do.”➕

Alternative compost storage methods suggested

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

Using paper bags as liners to absorb moisture

“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.”➕

“I get maybe 1 or 2 paper bags a month if I go grocery shopping and forget to bring a bag with me.”➕

“There is probably someone with a whole closet full just hoping to find a use for them!”➕

Freezing compost to prevent bag breakdown

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

Suggestions for using alternative bags

“Not exactly what you asked, but this is how I try to be eco-friendly about poo.”➕

Buyer’s Cheat Sheet

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

Bags may work better in industrial composting facilities

“save the money on bags and just wash the compost bucket once every month or so and you'll be fine.”➕

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

Considerations for not using bags at all

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

Unawareness of special bag requirements

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

Uncertainty about composting methods

“It says it’s home compostable? Any idea what it’s made of?”➕

Personal experiences with composting techniques

“Does anyone have any luck in the bags actually being compostable?”➕

Difficulty finding non-permeable compostable bags.

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

“'compostable packaging' is basically self-contradictory: Something that stays intact and yet also breaks down.”➕

Mention of other brands and types of biodegradable bags

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

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Alternatives to compostable bags (e.g., paper towels) are suggested

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

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

Issues with bag strength due to compostability

“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.”➕

Concerns over liquid waste management

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

Discussion about the effectiveness of compostable bags

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

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

Concerns about decomposition in landfills

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