A foldable and sealable pet waste disposal case is disclosed. When in the open position, a pet can use open surface as a replacement for an outdoor surface to relieve itself. After use, the case can then be sealably closed when not in use, and the liquid retained in the case can be discarded when desired. The case includes an exit port which allows the waste liquid to be decanted from the case and a port which allows water to be introduced therein for purposes of cleaning the device.