stackable litter boxes

YOOCOZZ Cat Litter Box Enclosure,Hidden Cat Washroom with Sisal Door-Black

Smart Automatic Self-Cleaning Cat Litter Box, APP Control Covered Litter Box for Multiple Cats, Ultra Odor Control & Touch-Free Cleaning, White

Self Cleaning Cat Litter Box, Automatic Cat Litter Box with APP Control Odor Removal Safety Protection for Multiple Cats, with 2 Garbage Bags

Coucheta Double Cat Litter Box Enclosure – Farmhouse Wooden Furniture with 2 Scratch Mats, Post & Side Table Function

Petsite Large Cat Litter Box Enclosure 2-in-1 Hidden Cat Washroom Furniture with Storage White/Brown

Lightweight Fragrance Free with Baking Soda Clumping Cat Litter - up&up™

55" Cat Tree w/Litter Box Enclosure, All-In-One Multi-Level Tower w/Hammock & Scratching Posts

Hidden Cat Litter Box Furniture - White Enclosed Cabinet w/2 Storage Compartments, Scratching Mat & Double Doors, Elegant End Table

PawsMark Fully Enclosed Hooded Litter Pan with Front Entry Odor Close Door, Cat Litter Scoop Included

PawHut Hooded Cat Litter Box with Lid, Covered Litter Box for Indoor Cats with Tray, Scoop, Filter, 17" x 17" x 18.5"

Litter Box Enclosure for 2 Cats, Double Room Kitty House with Scratch Pad

GustoWave Cat Litter Box Enclosure, Wooden Cat Washroom Furniture with Barn Door, Hidden Litter Box Cover, Kitty House

ATJafurn Cat Litter Box Enclosure, 37.4'' Furniture Style Hidden Litter Box Cat Cabinet With Storage For Large Cats White

Omega Paw Roll N Clean Complete Self Cleaning Litter Box and 100 Bags, Blue

TG2504A-LY

GustoWave Cat Litter Box Enclosure with Cat Tree, Wooden Cat Washroom Furniture, Barn Door, Pet House, Fits Most Litter Boxes

Omega Paw EL-RA20-1 Elite Roll 'N Clean Self Cleaning Litter Box, Large, Black

Cat Litter Box Enclosure, Hidden Litter Boxs Furniture with Storage & Cushion, Cat Wooden Cabinet, Litter Boxs with Door

Teamson Pets Dyad Wooden Cat Litter Tray Box Washroom Puppy Toilet Alpine White