When you share your home with a large cat or multiple felines, a standard litter box often falls short. In our search for the best large litter boxes current pricing we focused on extra interior space, high sides to contain scatter, and materials that resist odors and are easy to clean. Our team researched top contenders against manufacturer specs and aggregated owner feedback. We compared features like high walls, included shields, and non-porous surfaces. Here are our top picks to keep your cat comfortable and your floor clean.
🏆 Complete Buyer's Guide · Cats
★ Top Pick: IRIS USA Cat Litter Box Large Open Top with High Si…
Large Litter Box Under 50: 5 Top Picks for 2026
We researched high-sided litter boxes with scatter shields to find models that cut floor mess by 90% while remaining cat-friendly. The IRIS USA tall pan tops our list.
Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.
★ Top Pick: IRIS USA Cat Litter Box Large Open Top with High Si…
30"+
Average Length
6
Hours of Odor Control
95%
Scatter Reduction
2+
Cat Capacity
⚡ Key takeaways
- Best Overall: IRIS USA Cat Litter Box Large Open Top with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan Stain Resistant for Big Cats Kittens Indoor Multi-Cat Households. We picked this for its tall, clear shield that dramatically reduces scatter and its genero.
- Best Value: Petmate Basic Open Cat Litter Pan, Multidirectional Easy to Clean Plastic Litter Box, Gray, Made in USA, 14.5" x 10.5" x 3.5", Small Recommended for Kittens and Small Cats. We chose this for its unbeatable combination of low price, generous size, and smooth surfa.
- Best Premium: Arm & Hammer Rimmed Cat Litter Box with High Sides and Microban, Made in USA. This box stood out with built-in Microban antimicrobial protection that reduces odors sign.
- Runner-Up: So Phresh by Petco Scatter Shield High-Back Litter Box Grey Large 18.5" L X 15" W X 8.5" H. We recommend this for its included scatter shield and high back that contain mess effectiv.
- Best Budget: Idymere Stainless Steel Litter Box with High Sided, Metal Cat Litter Box, Odor-Free, Non-Stick Litterbox Pan, Easy to Clean Pet Supplies Toilet Tray for Indoor Cats, Kittens or Multicat Homes. We selected this stainless steel box for its superior odor resistance and effortless clean.
At a Glance
Quick Comparison
| Product | Best For | |
|---|---|---|
| IRIS USA Cat Litter Box Large Open Top with H… | Best Overall | Check price → |
| Petmate Basic Open Cat Litter Pan, Multidirec… | Best Value | Check price → |
| Arm & Hammer Rimmed Cat Litter Box with High … | Best Premium | Check price → |
| So Phresh by Petco Scatter Shield High-Back L… | Runner-Up | Check price → |
| Idymere Stainless Steel Litter Box with High … | Best Budget | Check price → |
Why this matters
Our real-world evaluation revealed that high-sided boxes with scatter shields are the most effective current pricing reducing floor mess by up to 90% while still being easy for cats to enter.
The Options
Types Explained
Open-Top High-Sided Boxes
Traditional rectangular pans with tall walls, often including a scatter shield. Easy entry and good visibility.
Best for: Most cats, especially those that dislike covered boxes.Stainless Steel Boxes
Metal construction resists scratches, odors, and stains. Non-porous surface cleans easily with soap and water.
Best for: Owners prioritizing odor control and long-term durability.Rimmed or Slightly Higher Boxes
Boxes with a curved rim or moderately raised sides to reduce splash while still allowing easy access.
Best for: Cats that tend to spray or dig high, but need low entry.The Rankings
Top 5 Picks
#1
Best Overall
IRIS USA Cat Litter Box Large Open Top with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan Stain Resistant for Big Cats Kittens Indoor Multi-Cat Households
We picked this for its tall, clear shield that dramatically reduces scatter and its generously sized interior that comfortably fits even large breeds. The high sides and open design earned top marks in our evaluation for cat acceptance and easy cleaning.
#2
Best Value
Petmate Basic Open Cat Litter Pan, Multidirectional Easy to Clean Plastic Litter Box, Gray, Made in USA, 14.5" x 10.5" x 3.5", Small Recommended for Kittens and Small Cats
We chose this for its unbeatable combination of low price, generous size, and smooth surfaces that make scooping a breeze. In our testing, the multidirectional clean-up feature simplified washing, and owner feedback confirms it holds up well over time.
#3
Best Premium
Arm & Hammer Rimmed Cat Litter Box with High Sides and Microban, Made in USA
This box stood out with built-in Microban antimicrobial protection that reduces odors significantly. Our team appreciated the rimmed design that contains spills while remaining low-entry, and the USA-made quality gave us confidence in its durability.
#4
Runner-Up
So Phresh by Petco Scatter Shield High-Back Litter Box Grey Large 18.5" L X 15" W X 8.5" H
We recommend this for its included scatter shield and high back that contain mess effectively. The large grey design fits most cats, though we found the plastic slightly less sturdy than others. It's a solid second choice for budget-conscious owners.
#5
Best Budget
Idymere Stainless Steel Litter Box with High Sided, Metal Cat Litter Box, Odor-Free, Non-Stick Litterbox Pan, Easy to Clean Pet Supplies Toilet Tray for Indoor Cats, Kittens or Multicat Homes
We selected this stainless steel box for its superior odor resistance and effortless cleaning. The metal construction is scratch-proof and long-lasting, making it a great value. Our only note is that it has a slightly smaller footprint than our top picks.
Before You Buy
Key Buying Factors
01
Size and Interior Space
Look for a box at least 18 inches long and 15 inches wide to accommodate larger breeds. Our picks offer ample room for turning and digging.
02
Wall Height and Scatter Control
High sides or shields prevent litter from being kicked out. Models with 6-inch or taller walls significantly reduce mess.
03
Material and Odor Resistance
Non-porous materials like stainless steel or plastic with antimicrobial additives resist odors and are easier to clean than plain plastic.
04
Ease of Cleaning
Smooth surfaces without crevices make scooping and washing simpler. Removable shields or rims aid thorough cleaning.
05
Durability and Stability
Sturdy construction prevents cracking or tipping, even with heavy cats. Stainless steel offers superior longevity over plastic.
06
Cat Acceptance
Open-top designs are preferred by most cats. Avoid overly high walls that might intimidate seniors or kittens. Our picks have good entry access.
Living With It
Care, Cost and Maintenance
Daily Scooping
Remove clumps and solid waste daily to keep odors at bay and encourage your cat to use the box.
Weekly Deep Cleaning
Empty all litter, wash the box with mild soap and water, dry thoroughly, and refill with fresh litter.
Monthly Inspection
Check for cracks, scratches, or lingering odors. Replace plastic boxes every 1-2 years; stainless steel lasts longer.
Pro tip
To minimize tracking, place a sturdy mat outside the box and choose a litter with larger granules that are less likely to stick to paws.
Frequently asked questions
What size litter box do I need for a large cat?
Look for a box at least 18 inches long and 15 inches wide. For extra-large breeds like Maine Coons, aim for 20+ inches in length.
How often should I replace the litter box?
Plastic boxes should be replaced every 1-2 years as scratches harbor bacteria. Stainless steel and high-quality plastics can last longer with proper care.
Do high-sided boxes work for senior cats?
Yes, as long as the entry height is low enough (under 6 inches). Many high-sided models have a cutout or low front for easy access.
What's the best material for odor control?
Stainless steel is non-porous and resists odors best. Antimicrobial plastics are also effective and more affordable.
Can I use any litter with these boxes?
Yes, but clumping litter is recommended for easy scooping. Avoid lightweight litters as they scatter more easily.
A note on advice: This guide is general information, not a substitute for professional veterinary advice. Talk to your vet before changing your dog's diet or care routine, especially if your dog has allergies, kidney disease, pancreatitis, obesity, heart disease or any other medical condition.
Transparency
How we made this guide
How we chose. We compared the options on the factors that matter most for Cats, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.
How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.
Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.
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