• Subjects with a colostomy or ileostomy

* Age 18 years and over

* Medically stable in the opinion of the investigator

* Are able and willing to provide informed consent

* Are able and willing to attend study visits

* Currently use the same models of pouches as required by the study

* Have a recent history of frequent pancaking (colostomy patients only)

* Willing to stop using any lubricants in the pouches whilst participating in the study.

* Subject has a valid email address for the Investigator to send links to study questionnaires and has access to a web enabled device.

Assessment of Novel Technology to Facilitate Drainage in Ostomy Pouches: OUTFLOW Study