These are huge! I use them for my bunnies as a litter box/ hay feeder and they're litter trained to a T. Very spacious medium depth not extra tall but it's big and tall enough for a large - XL cat or even multiple cats! Thick plastic that doesn't bend which prevents unnecessary spills or cracks from lifting. Love the lower front entrance, great for kittens or small animals to get access to easily. Not your average flimsy litter box, this one's a very spacious keeper unless you have a high peeing animal then I would recommend getting a domed cat box to protect your walls. Hope this helped!  :) Let me know if it did