Abstract: The disclosure relates to a disposable litter tray including self-contained litter for use by cats and other small animals. The trays are made of pliable material and are stackable in unused condition to be separated for use. Each of the trays contains its own litter and has a horizontally oriented shoulder wall in the structure of the tray to which the edges of a heat-sealed cover sheet are attached. The device is readied for use be removing the cover sheet. When the litter has reached a condition in which it must be replaced, the entire device is folded transversely to completely enclose the litter and discarded.