Detailed information Product material: Plastic Color: Gray Applicable: All cats Size:20.1"x 16"x 6" two stool heights (3.5" and 5.9") Senior-Friendly Support System:The taller step 5.9" gives aging cats the extra boost they need to enter comfortably, reducing joint strain and making litter box access pain-free Kitten-Safe Low Profile?Gentle 3.5" incline is specially designed for small legs, helping kittens develop good litter habits safely and confidently