Molly Mutt Waterproof Liner
The layer between a puppy and their bedding — strip it, wash it, and the crate does not become the thing that smells
Molly Mutt Dog Bed Liner, Water-Resistant Liner, Washable, 22"x27"x4.75"
The variant we link: 22"x27"x4.75"One Amazon page often holds several sizes; check the selected option before you buy.
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Price checked 2026-09-19T02:41:17.290920+00:00. Amazon prices change often — the listing is the truth.
- Who it’s for
- The layer between a puppy and their bedding — strip it, wash it, and the crate does not become the thing that smells.
- Who should skip it
- Your dog is past accidents and you would rather buy one good washable bed than a liner plus an insert.
The verdict
Nobody plans for this and everybody needs it. A water-resistant zippered liner sits between your puppy and whatever they are sleeping on, so a 3 a.m. accident is a laundry problem rather than a replacement-bed problem. Molly Mutt describes it as shielding the bed from spills and accidents and keeping the filling contained, and states the fabric is free from PFAS, phthalates and flame retardants — worth knowing for something a puppy will lie on for eighteen hours a day. Owners mention it being genuinely useful for both puppies and senior dogs, with the honest caveat that a few report the fabric tearing. It is cheap enough to treat as consumable during the months when it earns its place, which is precisely the new-puppy stretch and, later, the incontinent end of a long life.
Drawbacks
- Some owners report the fabric tearing quickly
- Sized to fit standard inserts — measure before ordering
Researched from the manufacturer’s listing, its published specifications and what owners report. We do not test products on dogs.
WagScore
70out of 100- Owner satisfaction
- 64
- Stage fit
- 84
Owner satisfaction from the product's Amazon star rating and review count; stage fit from our own assessment of how well it suits a dog at new puppy, puppy stage.
What the listing says
- Turns a midnight accident into a wash cycle, not a purchase
- Full-length zipper keeps a cheap insert in shape inside it
- Brand states no PFAS, phthalates or flame retardants
Specifications
- Material
- Waterproof polyester with sealed seams
- Dimensions
- 36 x 27 inches (Large)
- Compatibility
- Universal duvet-style, fits most bed inserts
- Cover
- Machine washable, tumble dry low
- Closure
- Full-length zipper enclosure
- Size
- Not stated
- Colour
- Not stated
- Pieces in the pack
- Not stated
- Dimensions (H × W × D)
- Not stated
- Weight
- Not stated
- First listed
- Not stated
Specs come from the manufacturer listing and Amazon’s public product data. A field that reads “Not stated” is one we have not verified — not one the product lacks. We research and analyse; we do not test products on dogs.
If this one isn’t right
Skip it if: Your dog is past accidents and you would rather buy one good washable bed than a liner plus an insert.
Our top pick on this shelf, if you would rather start from what we recommend first.
$100.99
A puppy who has a flight in their future — the rigid kennel airlines accept for cargo, bought….
$107.95
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Guides that cover this
Where we wrote about this shelf at length — the reasoning behind the pick, not another version of it.
Gear
Pairs with
What tends to be needed alongside puppy crates — hand-picked adjacencies, not "customers also bought".
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The daytime half of the same containment: a crate is for sleep and settling, a pen is for the hours in between.
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The first nights are the hard ones, and a crate a puppy screams in is a crate that gets abandoned by week two.
The rest of this shelf
Everything else we currently recommend on the puppy crates shelf — the same need, Rest.
