5 Best High-Sided Litter Boxes Reviewed Today

Does your cat treat your clean litter box like a tiny sandbox, sending little “landmines” flying over the edge with every enthusiastic dig? You’re not alone! Many cat owners face the frustrating, messy reality of a perfectly good litter box constantly surrounded by scattered litter and the tell-tale damp spots on the floor. It feels like you clean up only for your cat to immediately recreate the mess, turning your tidy corners into tracking zones.

Choosing the right litter box for a cat that aims high or digs wildly shouldn’t feel like rocket science, but the market is flooded with designs that simply don’t contain the chaos. You need a solution that works *with* your cat’s habits, not against them. If you are tired of the endless sweeping and mopping, this guide is for you. We break down the essential features—from height to hood style—that will finally put a stop to the over-the-side peeing problem.

Keep reading to discover the top-rated, game-changing litter boxes designed specifically to keep waste *inside* the box, saving your floors and your sanity. Let’s transform your cleanup routine starting right now!

Top Litter Box For Cat That Pees Over The Side Recommendations

Bestseller No. 1
YOILES 3PCS Cat Litter Box Pee Shields,Transparent Easy Clean Splash Guard for Open Top Litter Pan 14.5×11.5in- Litter Box Not Included (3)
  • 𝐍𝐨𝐭𝐞: There are 3 shields per pack, each shield measures 14.5 in x 11.5 in, suitable for small litter boxes, large litter boxes need to choose 4 pieces or more
  • 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥:We have updated the installation instructions and precautions, please refer to the Product guides and documents
  • 𝐋𝐢𝐭𝐭𝐞𝐫 𝐁𝐨𝐱 𝐍𝐨𝐭 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝
  • Easy to Clean : This cat pee shield is very easy to clean,you just wipe it,the urine stain will disappear, or wash with water, the tape can be reused after it dries
  • Cat Friendly:the litter box pee shield makes it easy for cats to get in and out.The transparent materialyour cats won't feel closed in, allowing your cats to live in a comfortable environment and breathe fresh
Bestseller No. 2
IRIS USA Large Cat Litter Box with Scatter Shield and Scoop, Open Top High Sided Cat Litter Pan, Black
  • MADE IN USA with global materials: The IRIS USA open top kitty litter tray offers a functional and comfortable solution to your cat's bathroom needs. With the open air kitty litter pan, getting in and out of the tray has never been easier for your cat and the tall walls keep any litter or spraying inside the tray.
  • PRIVATE: This open air cat litter tray offers privacy for your cat with tall walls that form the scatter shield, offering the privacy of a hooded cat litter box with the easy access and cleaning of an open air kitty litter pan.
  • EASY CLEAN: Featuring smooth surfaces and rounded edges, this litter box is designed for easy cleaning. You can quickly wipe it down and prevent litter buildup, making it simple to maintain a hygienic space for your furry friend.
  • OPEN TOP & TIDY: The open top design allows you to easily monitor your cat's habits and know when it’s time to clean, while the tall walls minimize litter scatter. This combination means less cleanup for you and reduced waste of litter or pellets overall.
  • GREAT SIZE: Dimensions: 19"L x 15"W x 11.75"H. Open top IRIS Cat Litter Box is designed to offer cats plenty of room and quick accessibility
Bestseller No. 3
Deapher 3PCS Cat Litter Box Splash Guard Pee Shields - High Sided Anti-Splashing Reusable Shields for Open Top Litter Pan, Transparent Privacy Screen 14.5x11.5in Easy Clean (Litter Box Not Included)
  • 【Keep Clean and Tidy】The cat litter box pee splash guard is made of new PP material, which is safe and environmentally friendly. Suitable for all kinds of open-top litter boxes, by raising the height of the cat litter box can effectively prevent cat litter from scattering and prevent cat urine from dirtying the floor or wall. Protect your floors, save a lot of cleaning time and provide you with a clean environment.
  • 【Easy to Assemble】This tall litter box splash guard with adhesive strips applied to any open top litter box with straight or curved sides and sharp corners. When installing, just peel off the sticker on the back of the adhesive strips and stick it on the edge of the cat litter box. The design of adhesive strip is different from double-sided tape, each piece of high wall guard can be easily removed and cleaned, and can be reused.
  • 【Easy to Disassemble and Clean】This cat litter box pee shields can keep the floor and walls around the litter box clean, when you need to clean, you can easily disassemble the pee privacy shields, just wipe it, the urine stains will disappear, very easy to clean . At the same time, the open space gives the cat a sense of security and comfort, making it easy for the cat to get in and out.
  • 【Multifunctional】This high wall litter box shield can be used not only for cat litter boxes with straight or curved sides, but also on the edges of stairs, doors, corners and other areas where cats might get dirty.
  • Practical and Valuable】The set includes 3 pieces of transparent plastic shield and 3 sets of long adhesive strip (the same size as the shield and long adhesive strip: 14.8 x 11inches, i.e.: 37.7 x 28.0 cm), 4 sets of small adhesive strip, a set of free adhesive strip you can stick where you think you need it, (Note: litter box is not included).
Bestseller No. 4
3 Pcs Cat Litter Box Splash Guard Pee Shields - Anti-Splashing Reusable High Sided Cat Toilet Training Kit for Open Top Litter Pan
  • 😸Size & Package list: 15 * 11.5", contains 3pcs shields with velcro adhesive strips, durable and sturdy to stick in the litter box (Litter Box Not Included)
  • 😸Easy To Clean: This cat pee shield is very easy to clean, you just wipe it, and the urine stain will disappear, you can easily remove it for cleaning or storage.
  • 😸Easy to Install: You just need to put the shield in any open top cat litter box with straight or curved sides and sharp corners, prevent pee from getting all over the place, giving you a clean home environment.
  • 😸Cat Friendly: The High wall litter box shield makes it easy for cats to enter and exit.The transparent material your cats won't feel closed in, allowing your cats to live in a comfortable environment and breathe fresh.
  • 😸Multi-scene Use: The flexible shield can be easily applied to open litter boxes with straight or curved sides, and can also use on the edge of stairs, on doors, in corners, and in other places where cats may get dirty
SaleBestseller No. 5
Nature’s Miracle Hooded Flip Top Litter Box for Cats, With Built-In Odor Control Charcoal Filter
  • HOODED ENCLOSURE: Provides privacy and helps prevent litter scatter and leaks from spraying.
  • BUILT-IN CHARCOAL FILTER: Tackles tough litter box odors to help keep your home smelling fresh and clean.
  • EASY TO CLEAN: Simple latches and flip-top front opening makes cleanup convenient and fast so litter box maintenance is a snap.
  • SIMPLE DESIGN: Convenient, front-entry access for cats.
  • TRUSTED BRAND: From the maker of Nature’s Miracle products, the pet stain and odor removing brand you trust… because it works!
Bestseller No. 6
Holintan Litter Box Shield,17.5"x13.7"x13"H Large Litter Box Splash Guard Without Leakage, High Sided Cat Litterbox Pee Shields Easy Clean for Pet Cat/Kitty/Kitten(Without Pan)
  • Large litter box pee shield size---17.5x13.7x13 Inch(L*W*H), suitable for most standard litter boxes, high enough to prevent litters and pee flying to everywhere. Suit for Holintan litter box size Small to Medium
  • Ease of Cleaning---This litter box splash guard is made of thickened new PP, sturdy and very easy cleaning. Just rinse with water or use a soft cloth to clean and it will be as clean as new
  • Keep Your Floor Clean---Unique design with seamless bottom which can keep any pee from getting through and litter can’t creep out from under litter box enclosure too
  • Litter Retention---Cat Litter box shield allows you to pick up the cat box and just turn this over on top of it and empty the litter back into it without wasting it
  • Foldable & Portable litterbox splash guard easy assemble, which is also suitable for corner litter boxes, protecting walls to get wet or dirty by your naughty pets.
Bestseller No. 7
Cat Litter Box Pee Shields (4 Pcs) | Litter Box Cover 15 * 11.5in | Cat Pee Shields & Privacy Screen - Splash Guard for Open Top Litter Pan - Litter Box Not Included
  • 📍【Litter Box Not Included】
  • 🐾【Size And Package】- 15 * 11.5", The package contains 4pcs of cat litter box pee shields and 6 long-lasting velcro adhesive strips, which can be cut and adjusted according to the dimensions of your cat litter box .
  • 🐾【Keep's Litter and Prevents urine spraying】- The design of the cat litter box splash guard effectively prevents cat litter and urine from spraying on the wall or other places in the room, and avoiding difficult cleaning and odor problems. By simply installing the cat litter box protector on your existing litter box, you effectively transform it into a high-sided litter box. the product equally suitable for stainless steel litter boxes as well.
  • 🐾【Easy To Install】- Flexible plastic shields that can easily be applied to any open top cat litter box, will allow you to create a litter box privacy screen for your cat. these reusable plastic shields have velcro strips for easy attachment and detachment.
  • 🐾【Easy To Clean】- This cat litter wall protector is very easy to clean, just wipe it. the urine stain will disappear, or wash with water. the tape can be reused after it dries.
Bestseller No. 8
Amazon Basics Large Cat Litter Box with High Sides, Open Top, Includes Scoop, 19 x 15 x 11.75 inches, Grey/Beige
  • HIGH-SIDES DESIGN: Keep your floors clean with the high sided cat litter box that contains litter effectively
  • CONVENIENT ACCESS: The open style and lowered front on these litter boxes make it easy for cats to enter and exit, catering to older and large cats
  • DURABLE MATERIAL: Crafted from BPA-free and recyclable plastic, this kitty litter box provides long-lasting durability
  • EASY TO MONITOR: The open, uncovered design of our large cat litter box allows simple monitoring and effortless scooping
  • ON-BOARD SCOOP STORAGE: Features a litter scoop that conveniently stores onboard, so you always have it handy

The Ultimate Buying Guide: Solving the Litter Box Overflow Mystery

Does your cat treat the litter box like a sandbox, sending litter flying over the edges with every dig? You are not alone! Many cat owners struggle with “litter scatter” or, worse, cats who aim just outside the box. Finding the right litter box can make a huge difference. This guide helps you choose the best high-sided solution.

Key Features to Look For

When your cat has poor aim or loves to dig deeply, standard boxes just won’t cut it. You need special features designed to keep messes inside.

  • High Sides: This is the most important feature. Look for boxes where the side walls are at least 8 to 10 inches high. Some designs even have extra-high backs.
  • Hoods or Covers (Enclosed Boxes): A full hood traps spray and flying litter inside. However, make sure the entry point is still comfortable for your cat.
  • Entry Style: For cats who pee near the entrance, a top-entry design is excellent. The cat must jump onto the lid and drop down, making it nearly impossible to pee over the edge.
  • Large Size: Bigger is often better. A larger box gives the cat more room to turn and dig without pressing against the walls, which can encourage aiming higher.

Important Materials

The material affects durability, cleaning, and how much your cat likes the box.

  • Durable Plastic: Most high-sided boxes use sturdy, thick plastic. Ensure the plastic feels strong and resists cracking. Thin plastic can warp or develop small cracks where odors hide.
  • Smooth Interior: A very smooth interior surface makes scooping easier. Rough or textured plastic traps waste and clumps, making cleaning harder.
  • Odor Resistance: Darker colors or certain plastics resist absorbing smells better than cheap, thin white plastics over time.
Factors That Improve or Reduce Quality

The quality of the box directly impacts your cleaning routine and your cat’s happiness.

Quality Boosters:
  • Easy-to-Clean Surfaces: If scooping takes seconds instead of minutes, the quality is high.
  • Secure Parts: If the box has a top or a removable shield, the clips or latches must hold tight. Loose parts annoy owners.
  • Sturdiness: A box that does not wobble when the cat jumps in shows good manufacturing quality.
Quality Reducers:
  • Sharp Edges: Rough edges where plastic pieces meet can scratch your cat or you.
  • Small Openings: For enclosed boxes, if the door or entry hole is too small, your cat might refuse to use it, leading to accidents elsewhere.
  • Cheap, Flimsy Plastic: This breaks easily and traps smells quickly.

User Experience and Use Cases

Think about where and how you will use the box. A great box for a small apartment might not work for a multi-cat household.

  • Large Homes/Multiple Cats: You need the largest, most durable high-sided options, possibly with shields that attach securely.
  • Small Spaces: Top-entry boxes save floor space because they are taller, not wider. They are excellent for hallways or laundry rooms where space is tight but messes are common.
  • Senior Cats: While high sides stop pee spray, they can be difficult for older cats with stiff joints to climb into. Look for models with a very low step-in area on one side.

10 Frequently Asked Questions (FAQ)

Q: What is the main reason cats pee over the side?

A: Cats usually pee over the side because the box is too small, they feel crowded, or they dislike the litter depth. High sides prevent the liquid from escaping.

Q: Are top-entry boxes always better for over-the-top urinators?

A: Top-entry boxes are highly effective because the cat cannot aim over the wall. However, some cats dislike jumping, so you must test your cat’s preference.

Q: Should I use a shield accessory or buy a fully enclosed box?

A: Shields attach to standard boxes and raise one or two sides. These work well if your cat only pees in one direction. A fully enclosed box offers 360-degree protection.

Q: How high should the sides be?

A: For cats that spray high, look for walls at least 9 inches tall. Taller is usually safer.

Q: Do these boxes hold more litter?

A: Yes, because the walls are higher, you can add more litter without it spilling over the top when the cat digs.

Q: Are high-sided boxes harder to clean?

A: Some deep, enclosed models require you to lift the entire top off, which can be heavy. Look for models with easy-release clips or a hinged lid.

Q: Will a bigger box solve my cat’s behavior?

A: A bigger box gives them space, which reduces stress. Reduced stress often leads to better litter box habits. It is a key part of the solution.

Q: What if my cat won’t use the new high-sided box?

A: This often happens if the new box smells too strongly of new plastic or if the entry is difficult. Try placing the new box next to the old one and using the same type of litter.

Q: Are these boxes good for large cat breeds?

A: Yes, large breeds need large boxes. Many high-sided options are made extra-large to accommodate their size and their tendency to dig vigorously.

Q: Should I choose clear plastic or opaque plastic?

A: Opaque (non-see-through) plastic is often better. Cats prefer privacy. Clear plastic can sometimes make them feel too exposed while using the box.