Whisker Litter-Robot Waste Drawer Liners - 50 Pack

Curated from 143 real Reddit conversations

Refreshed on: April 9, 2025

Whisker Litter-Robot Waste Drawer Liners - 50 Pack

Brand: Whisker
Price: $35
Snoop Score:
5.9
Sentiment
6.4
Popularity
6.3
Technical
5.6

Snoop's Take

The Litter-Robot Waste Drawer Liners by Whisker are custom-fit liners designed specifically for the Litter-Robot waste drawer, making waste disposal quick and easy. These liners, with a capacity of 9-11 gallons, come in a pack of 50 and are compatible with all Litter-Robot models, allowing for an efficient and contactless cleanup experience. Consumer feedback highlights the effectiveness and convenience of these liners, with many users stating, "They work great." Positive sentiments emphasize their durability, ease of installation, and substantial capacity, with some noting that they have successfully used alternative trash bags with the Litter-Robot system. However, concerns exist regarding the quality of the liners, with some users reporting issues like tearing or holes, indicating a need for improvement in this area. Overall, while the Litter-Robot Waste Drawer Liners have received a mix of positive and negative feedback, they are generally recommended for cat owners using the Litter-Robot, particularly for those who appreciate convenience and efficient waste management, despite the noted quality concerns.

Not for you? Check out our other rated Litter Box Liners

THANK YOU! this is Genius! i just happened to have some on hand and it works great.

Positive Feedback

The litter robot constantly thinks the tray is at 100% full due to the laser not getting a good read off the aluminium pan.

Negative Feedback
Product
5.9
Whisker Litter-Robot Waste Drawer Liners - 50 Pack
Routine Litter Box Maintenance
4 / 10
Preventing Overflow and Leaks
4 / 10
Compatibility with Multiple Litter Box Types
10 / 10
Hygienic, Cost-effective Cleanup
4 / 10
See how this compares to all Litter Box Liners

What it does well!

Key strengths users can’t stop talking about.
Custom fit for Litter-Robot
THANK YOU! this is Genius! i just happened to have some on hand and it works great.
I put an aluminum pan from Sam’s in the tray … works like charm.
Honestly as much as the litter robot costs, the small number of bags it comes with is insulting.
Have you tried using litter box liners for the drawer?
Easy to empty and replace
They are thicker than most, don't tear, and there is plenty of room to tie them off at the top when you empty the drawer.
Much more convenient than the bags.
not only is it going to save me a lot of money, it’s gonna save a lot of time.
Liner is designed for kitties
Will the LR4 liner hold up to a scratchy cat?
The liner was designed with kitties in mind.
It has helped keep the tracking down so much.
Some liners hold up well over time
I’ve had mine for almost 2 yrs and it’s still holding up.
Replacement liner may be thicker
i think the replacement is thicker than the original and i’ve also been clipping her claws once a week religiously.
Liners work well with alternative trash bags
I’ve been using Kroger brand 13-gal trash bags and they work great!
Liners hold a large capacity
I’ll order the official litter box liners if I need to but I would love to make these work.
I'd rather not buy the clear bags from Whisker ($$$) but if I need to that's what I'll do.
Two or three weeks in and it doesn't seem to cause any issue, the waste bin amount changes at the same rate as the clear bags did.
Easier bag swapping with Litter-Robot 4
The newer unit is larger, and is noticeably easier to swap bags when litter is full.
Great product and from what I’ve read, I’m glad I’m just now getting it.
Reduces frequency of scooping
Its great!! Enjoy it!!
Quieter operation of Litter-Robot 4
the 4 is soooo much quieter it’s worth it.
Overall satisfaction with Litter-Robot 4
LR4 has been set it and forget it.
Cats adjusted well to Litter-Robot 4
despite a learning curve I love it. My 3 cats have all finally adjusted to it.
High quantity of liners per pack
I would order again (but I wont have to because there are a thousand bags)!
Good customer service regarding warranty replacements
Good for them and their customer service.
Cost-effective alternative bags available
500 pieces for like 16 bucks. It fits well and haven’t experienced tearing or anything like that.
the box of clear costco 10 gal liners I bought for my LR3 a year ago is still going strong.
the tall kitchen (13 gallon) bags and they work just fine.
they work great and are just like the ones that came from LR IMO.
Using regular garbage bags as liners works well
The reason I chose to buy a litter robot over other self-scooping options is that you can buy it once and stop giving all your money to the LR company.
IMO, If I pay close to $1000 for a litter box, I should never smell it.

Where it needs some work!

Areas to watch—feedback on possible improvements.
Laser sensor issues with aluminum pans
The litter robot constantly thinks the tray is at 100% full due to the laser not getting a good read off the aluminium pan.
No bags. They kept setting off the drawer full sensor.
Liners can get holes and cause mess
How can i stop my cat from attacking her litter liners? Without fail, my cat loves attacking the lin
Liners seem to always get holes in them, which means filth gets *underneath* them (which is horrible) and also that sometimes bagging up a liner to take it out accidentally leaves a small trail of dirty litter behind me.
While litter liners sound convenient and protective, in really they’re far from it.
Yep to other posters, litter liners just don’t work.
Cost of replacement bags is high
10 gallon trash bags from Costco work perfect and you get like 500 of them.
Liners can get holes from scratching
If you do a sub search for liner, you'll learn that the answer is NO.
My cat is a medium scratcher and does fine but I know for some people they do have to replace the liner for their kitties.
Liners can get sticky and cause residue
Used to fall off cleanly but now leaves residue.
I swear a regular litter box was easier than this.
It's quite frustrating... and unfortunately I've yet to find a helpful answer I could share.
Liner quality needs improvement for older models
I've more cats than most, so I've resigned to the extra work it requires and just deal with it, haha.
Liners are easy to tear
Seriously I was just declined for a new liner and I have a 3 year warranty! And why aren't the liners heavier material?
My cats have torn through one already and I've been worried about having to request another one.
Warranty replacement policy is limited
one would also assume that as many replacements as needed would be warranted since the material seems to be of lower quality.
Annoying errors with older model Litter-Robot 3
If money’s not a factor, I’d definitely get the 4.
Sensor issues causing false full readings
Whisker needs to fix this issue.
Liners do not fit well
I honestly don’t think the ones whisker sells fit very well. They’re huge.
The Kirkland purple boxed Wastebasket Liners also fit perfectly without as much plastic floating around!
Perceived cost markup on branded bags
Never buy company branded bags, it's literally part of their business model to make perpetual profit off the mark up.
Liners can develop holes from scratching
I don't want to have to rely on the manufacturer to keep sending me new globes for my cats to tear through.
The liner is covered by warranty so each time it tears order a new one.
The hardness and thickness of the liners were not sufficient.

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Core Power Plays

The specs and strengths that make it shine.
Alternative liner brands discussed
the only downside is when i go to separate it and open the bag, i have to wet my fingers cuz i have dry skin haha
Long-term updates on automatic litter boxes
seeing long term updates is always nice!!
Discussion about resetting and calibrating sensors
You did reset the gauge after you changed the bag?
I like to fit mine over the lip on three sides, then push air out and then fit it over the fourth side.
It doesn’t say the bags have to be clear.
Discussion about cutting down on plastic waste
This is a great alternative to cut down on plastic waste!

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Alternative solutions using aluminum pans
I can use the same pan for over a month before it gets super grimey.
9x 13 is what I use.
I've been using these bags forever and haven't had any issues with tearing or smell.
Discussion about alternative liner solutions
What does everyone use for their liner bags? We have been using Costco trash bags because the litter robot bags are so expensive.
10 gallon wastebasket liners from Costco
Compostable kitchen liners. Gotta release the contents back to the soil!
But they’re deep and I always feel wasteful when tossing the whole trash bag with just a bit of used litter at the bottom.
Use of alternative bags (13 gallon or garbage bags)
Anyone else still just use 13 gallon bags? I just bulk buy those - haven’t had any issues with them.
Fr, when the sample pack ran out I just tried throwing my normal garbage bag in, and it worked.
Yep, large box from Costco or Sam’s is <$20.
Discussion about using non-official liners
Leaving this here in case anyone else is too lazy to grab a white piece of paper lmao.
I have a piece of white paper on the bottom and use the clear liners and get a mostly accurate reading.
Use of regular garbage bags with no issues
I use regular garbage bags with no issues.
I’ve done this for over a year without a problem.
Alternative liner solutions discussed
Here is my list of things (including bags for the LR4): 1) Use a scoop.
They come in packs of 500 so you'll be set for a long time.
Discussion about using alternative trash bags for Litter-Robot
The dollar store pans are too flimsy and you’d end up throwing them away after a single use.
We use Walmart 8gal great value draw string bags.
Strong, inexpensive, and the bags are not attached (perforated) to each other so they come apart easily.
Using baking soda helps absorb odors
Definitely helps.

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion about size and fitting
What size for the L4?
Could you share the size of the pan you use?
Discussion about upgrading from Litter-Robot 3 to 4
Litter Robot 3 or 4? Hey cat frens, recommendation for Litter Robot 3 or 4?
I have a 3 that works totally fine but there are features on the 4 that appear to be better than the 3.
Concerns about cleaning and maintenance
nevertheless: there is always the fear, that on holiday, 3 Weeks, abroad, there is something wrong and the cat-sitter can not fix the problem.
Clarification on compatibility with Litter-Robot models
Does this impact the percent full sensor?
Also, what model do you use it with?
you need a smaller on for the LR4.
Advice on size and depth of alternative pans
I think mine are 3” deep.
Thanks! How deep should they be if you happen to know?
Frequency of replacing carbon filters varies
To be quite frank, I don't know how much the carbon filter actually helps or does anything.
honestly just keeping it clean with some occasional wipes when you check the litter level and changing the bag as soon as it's full will do 90% of the job of keeping smells hidden.

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Liners may not be effective for all cats
Try a different liner or don't use them.
Get her another box (even a cardboard box) with newspaper or some other material in it that she can play in?
Discussions about alternative litter types and their effects
frankly, I’m fed up with it i’m constantly having to clean up the mat which defeats the purpose of why I purchased the litter robot 4 to begin with.
they should have made it clearer about using the crystal stuff. You want clumping, and the better it clumps, the better it works.
i use the arm & hammer powdered litter deodorizer to help with the sticking issue.
I was more than content with both performance and price.
Discussion about cats' natural scratching behavior
maybe it would give them somewhere to direct that energy after they’ve used the LR, and buried their waste and then get the urge to keep digging.
Concerns about odor with alternative waste options
Do you notice any type of odor with this method?
Concerns about litter box location affecting smell
The room is at the back of the house, which should hopefully help with hiding the smell.

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