By Emily ParkerUpdated November 2026
When a cat peeing beside the litter box becomes a daily problem, the first step is usually a containment fix while you work out the underlying cause. The products below are litter box enclosures, splash guards and pee shields designed to catch misdirected urine, reduce spray and keep the surrounding floor cleaner. They do not treat medical or behavioral causes, so they work best alongside a vet visit and a review of your box setup. The selection criteria here were height and coverage, ease of cleaning, compatibility with common box sizes, and the frequency with which owners describe these designs as helpful for splash control.
Our top picks at a glance
- 1
TOP CHOICEBest overallArm & Hammer Rimmed Cat Litter BoxView on Amazon - 2
TOP CHOICEBest for enclosed coverageWaterproof Cat Litter Box Enclosure Splash GuardView on Amazon - 3
TOP CHOICEBest for large catsHigh Sided Cat Litterbox Pee Shields XLView on Amazon - 4
Best budget pick3PCS Cat Litter Box Pee ShieldsView on Amazon - 5
Best for odor and attraction supportFresh Step Attractant Cat Litter PowderView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Arm & Hammer Rimmed Cat Litter Box | Owners wanting a rimmed box with higher walls | High sides with Microban treatment |
| Waterproof Cat Litter Box Enclosure Splash Guard | Cats that kick litter and spray near the entrance | Enclosed design with removable mat |
| High Sided Cat Litterbox Pee Shields XL | Large cats and oversized boxes | Tall shield with no pan included |
| 3PCS Cat Litter Box Pee Shields | Budget-minded owners with open-top pans | Three clear shields for easy cleaning |
| Fresh Step Attractant Cat Litter Powder | Cats that avoid or ignore the box | Shaker canister that mixes into litter |
Arm & Hammer Rimmed Cat Litter Box
Arm & Hammer Rimmed Cat Litter Box with High Sides and Microban, Made in USA
Best for: Owners who want a sturdy rimmed box that reduces litter scatter and urine overshoot.
This is a traditional rimmed pan for households that want a simple, familiar setup. It suits cats that are not strongly reactive to enclosed boxes and owners who prefer to clean an open pan.
Key specs
- High sides for splash control
- Microban antimicrobial protection built into the plastic
- Made in the USA according to the listing
Pros
- Familiar open design many cats accept readily
- Rimmed walls help contain litter and some urine splash
- Simple to scoop and wipe down
Cons
- Open top offers less spray containment than an enclosure
- May not stop cats that back up over the rim
Bottom line: A solid pick for owners who want a traditional rimmed box as a first upgrade before trying an enclosure.
Waterproof Cat Litter Box Enclosure Splash Guard
Waterproof Cat Litter Box Enclosure Splash Guard with Removable Mat, Cat Box Enclosure with 2 Hooks for Scoop, Anti-Leakage, Dust Control, Easy to Clean-24.02 x 16.14 x 16.14 inches
Best for: Cats that spray or kick litter out of an open box and create mess near the entrance.
This enclosure-style splash guard surrounds the box to limit spray and dust. It is a good option for owners who have tried shields and still see urine landing on the floor.
Key specs
- Listed dimensions of 24.02 x 16.14 x 16.14 inches
- Removable mat included according to the listing
- Two hooks for hanging a scoop
Pros
- Enclosed walls reduce spray and dust escaping the box
- Removable mat makes cleanup faster
- Scoop hooks keep tools within reach
Cons
- Large footprint needs floor space
- Some cats dislike entering an enclosed space
Bottom line: Best for owners with room to spare who want the most containment from a shield-style setup.
High Sided Cat Litterbox Pee Shields XL
23.6"x15.7"x15.7" High Sided Cat Litterbox Pee Shields Easy Clean for Pet Cat/ Kitty (Without Pan) Litter Box Shield, XL Litter Box Splash Guard Without Leakage
Best for: Large cats and oversized litter boxes that need taller splash protection.
This shield is meant to be used with an existing open pan rather than as a full box. It works for households with bigger cats who tend to overshoot the rim.
Key specs
- Listed dimensions of 23.6 x 15.7 x 15.7 inches
- Sold without a pan, so you use your current box
- Tall walls for high splash coverage
Pros
- Tall walls catch more splash than standard shields
- Works with a box you already own
- Easy-clean design according to the listing
Cons
- Requires a compatible open pan of similar footprint
- Bulky for small bathrooms
Bottom line: A good fit for owners of large cats who want more height than a basic shield offers.
3PCS Cat Litter Box Pee Shields
14.5×11.5in for Open Top Litter Pan – Litter Box Not Included (3, Clear) 3PCS Cat Litter Box Pee Shields,Transparent Easy Clean Splash Guard
Best for: Budget-minded owners who want low-cost splash protection for an open-top pan.
This three-pack of clear shields is a simple way to add a barrier to a standard open litter pan. It is aimed at owners testing whether a shield helps before committing to a larger enclosure.
Key specs
- Designed for 14.5 x 11.5 inch open-top pans, per the listing
- Transparent material so you can see the cat and litter
- Sold as a set of three
Pros
- Inexpensive way to test a shield setup
- Clear panels let you monitor litter level
- Simple to remove and wash
Cons
- Fits only specific pan sizes, so measure first
- Thinner material may flex with heavy use
Bottom line: A practical budget pick for owners with a compatible open pan who want to try a shield before buying an enclosure.
Fresh Step Attractant Cat Litter Powder
Non-toxic, pet-friendly shaker canister formula that mixes into any box filler for cats of any age; easy to sprinkle and mix Fresh Step Attractant, Cat Litter Powder, Litter Training Aid, 9 oz
Best for: Cats that avoid or ignore the litter box and may be using the floor instead.
This is not a containment product. It is a shaker powder that mixes into litter to make the box more appealing. It can be a useful complement to a shield when a cat has started choosing other spots.
Key specs
- 9 oz shaker canister
- Non-toxic formula according to the listing
- Mixes into any box filler
Pros
- Easy to sprinkle into existing litter
- Works with any filler type
- Can encourage use of a box a cat is avoiding
Cons
- Does not address spray or splash on its own
- Results vary, and it cannot fix medical causes
Bottom line: Worth adding if your cat is avoiding the box, but pair it with containment and a vet check rather than relying on it alone.
Buying Guide
Height and Wall Coverage
Taller walls catch more urine that overshoots the box. Measure your cat from nose to base of tail and check that the shield or box rim is comfortably higher than the spot where the stream lands when your cat squats.
Good picks for this: High Sided Cat Litterbox Pee Shields XL, Arm & Hammer Rimmed Cat Litter Box
Full Enclosure Versus Partial Shield
Enclosures limit spray and dust on all sides, while shields only cover part of the box. If your cat backs into the wall or sprays, a full enclosure usually gives more containment.
Good picks for this: Waterproof Cat Litter Box Enclosure Splash Guard, High Sided Cat Litterbox Pee Shields XL
Size and Fit
Check the interior dimensions of your pan before buying a shield. Shields designed for one pan size often do not fit another, and an enclosure needs clear floor space and room for your cat to turn around.
Good picks for this: 3PCS Cat Litter Box Pee Shields, Waterproof Cat Litter Box Enclosure Splash Guard
Ease of Cleaning
Choose designs that lift out or wipe clean quickly. Removable mats and smooth surfaces reduce the buildup of urine residue, which can encourage repeat marking if left behind.
Good picks for this: Waterproof Cat Litter Box Enclosure Splash Guard, 3PCS Cat Litter Box Pee Shields
Cat Acceptance
Some cats are wary of enclosed boxes, while others prefer them. Introduce any new setup gradually by keeping the old box nearby for a week or two and placing the new one next to it.
Good picks for this: Arm & Hammer Rimmed Cat Litter Box, Fresh Step Attractant Cat Litter Powder
Material and Durability
Look for sturdy plastic that resists cracking and does not absorb odor. Thin shields can warp under weight, which reduces their effectiveness over time.
Good picks for this: Arm & Hammer Rimmed Cat Litter Box, High Sided Cat Litterbox Pee Shields XL
Litter Attraction and Box Appeal
A containment product works best when the cat actually wants to use the box. Attractants and fresh, appropriate litter can make the box more inviting, but they do not replace a clean, well-sized setup.
Good picks for this: Fresh Step Attractant Cat Litter Powder
FAQ
Why is my cat peeing beside the litter box instead of inside it?
Common causes include a dirty box, a box that is too small, a stressful location, or an underlying medical issue such as a urinary tract infection. Urine marking can also occur. Because medical causes are possible, schedule a vet visit before assuming it is purely behavioral.
Do pee shields actually stop cats from peeing outside the box?
Shields reduce splash and overshoot, which helps keep the floor clean. They do not change why a cat is missing the box. Think of them as containment while you address the cause.
Should I get an enclosure or a shield?
Enclosures offer more containment, while shields are cheaper and easier to fit into an existing setup. If your cat sprays or kicks litter, an enclosure is often the better choice. If your cat is simply overshooting the rim, a tall shield may be enough.
How often should I clean the box and shield?
Scoop clumps daily and wash the box and shield at least weekly, or sooner if you notice odor. Use a mild, unscented cleaner and rinse thoroughly, since strong residues can deter use.
Can a litter attractant fix the problem on its own?
Not usually. An attractant can help a cat that is avoiding the box, but it does not address medical causes, stress, or spray. Combine it with a vet check and proper containment.
When should I call the vet about urination outside the box?
Call your vet promptly if you see straining, frequent small urinations, blood in the urine, crying in the box, or changes in appetite and water intake. These can signal a urinary blockage or infection, which needs professional care.
Conclusion
For most owners dealing with a cat peeing beside the litter box, the right first step is containment paired with a check for medical or environmental causes. The Arm & Hammer Rimmed Cat Litter Box suits owners wanting a familiar rimmed pan, while the Waterproof Cat Litter Box Enclosure Splash Guard offers the most coverage for spray and kicked litter. Large cats do better with the High Sided Cat Litterbox Pee Shields XL, and the 3PCS Cat Litter Box Pee Shields make a practical budget test. The Fresh Step Attractant Cat Litter Powder can support a cat that is avoiding the box, though it works best alongside containment and veterinary guidance.
For more on the causes and fixes, read Cat Peeing Outside Litter Box Behavior: 7 Causes and Fixes and Cat Behavior Urinating Outside Litter Box: Causes and Fixes. If stress seems to be part of the picture, Litter Box Problems, Destructive Scratching and Stress: What Helps covers practical steps. Owners wanting a broader cleaning routine can also see How Often to Scoop and Change Cat Litter: A Cleaning Routine.
Sources
- Veterinary guidance on feline urinary health and when to seek care (avma.org)
- Practical advice on litter box setup, cat behavior and household cleanliness (aspca.org)
- Research-based information on feline behavior and elimination issues (cornell.edu)
About Emily Parker
Emily Parker is part of our editorial team and reviews and edits our cats guides, checking product details against manufacturer specifications and owner feedback.
