Hi-Corner Litter Pan is our best selling original design! The Hi-Corner Litter pan is the perfect litter pan for ferrets and other pets Yes small animals can be litter trained The Hi-Corner Litter Pan fits easily into small animal cages It features elevated high corners to help accommodate messy back-ups while also preventing messes and litter from scattering outside the cage Built-in hooks make cage attachment easy It is constructed of easy-to-clean stain and odor resistant plastic and is available in four assorted colors.