Vitala 12 Hour Wear Test With Convex Products

Inclusion Criteria: * Is of legal consenting age. * Is able to read, write, and understand the study, the required procedures, and the study related documentation. * Has signed the informed consent. * Has an end colostomy of at least 12 weeks duration with formed or semi-formed effluent. * Currently uses a convex skin barrier wafer or uses convex inserts into standard skin barrier wafers or is willing to wear SUR-FIT Natura® Durahesive® Skin Barrier with CONVEX-IT® or SUR-FIT Natura® Disposable Convex Inserts in 45mm or 57mm flange sizes. Enrollment will target 15 current convex product users and 10 non convex users. * The investigator is relatively sure the subject will be able to wear a SUR-FIT Natura® Durahesive® Skin Barrier with CONVEX-IT® in 45mm or 57mm flange size with a stoma opening size from 13mm up to 50mm or the SUR-FIT Natura® Disposable Convex Inserts in 45mm or 57mm flange sizes. * Is willing to remove and replace the skin barrier wafer after three days, more often if desired, during Stage 2. * Has a stoma that protrudes no more than 2 cm at rest (lying down on back). * Has demonstrated success in wearing a traditional pouching system. (Investigator judgment) * Is willing to participate in the trial for a total of 43 days. * Is willing to meet with the investigator for a total of 5 scheduled visits plus additional visits as deemed necessary by the investigator. * Has the ability to do complete self-care. Exclusion Criteria: * Has known skin sensitivity to any component of the products being tested. * Has a skin rating of "2" or greater according to the Skin Rating Scale. * Has peristomal ulcerations, peristomal pressure necrosis, parastomal hernia, Caput Medusa or mucocutaneous separation. * Is receiving radiation in the area of the pouching system. * Is receiving chemotherapy other than a stable regimen of maintenance chemotherapy. * Requires a pouch belt while wearing Vitala™. * Requires a moldable skin barrier. * Has participated in a clinical study within the past 30 days.