[Material] Dog potty toilet made of pp material,which is sturdy for long term use [Considerate Design]Indoor pet dog training toilet potty tray with column,which is more convenient for pet use [with Gird]Pet training toilet with grid with which is easy to clean,keep dry [Puppy Training]Portable dog litter box with removable post for small dog,pet [Widely Used]:Dog training pee pad holder pet litter tray for dogs