Bests & Worsts Reviews from Amazon

I bought a couple of the small size for a kitten we just got, but the other cats have commandeered them as beds before I could even put litter in them. I made a lid for the jumbo size by riveting some ABS plastic strips to the edge of another box and cutting a door. The strips hold the top on by friction, and at least helps keep our more energetic cats from throwing out all the litter while the dig to China