Abstract: An ostomy disposal device for the disposal of an used ostomy appliance comprising: a first wall and a second wall defining a compartment for holding a used ostomy collecting bag, an proximal end having an opening for providing fluid communication to the compartment, a distal end that is closed, a first closing means arranged distal from the opening of the proximal end for sealing fluid communication between the compartment and the opening, where the proximal end comprises an attachment means for attaching the bag to a user and where the attachment means is adapted to provide a liquid and air tight seal between the skin surface of the user and the opening.