Inclusion Criteria:  Has given written consent to participate by signing the Informed Consent Signature Form. Is at least 18 years of age and has full legal capacity. Has an ileostomy or colostomy with consistent liquid/mushy fecal output (5-7 Bristol scale*) Is able to use one of the five test products (i.e. Ø40, Ø50, Ø60, Ø70, Ø80 mm). Has experienced leakage** under the baseplate at least three times within the last fourteen days. **Leakage defined as output seeping under the baseplate" Has worry about leakage to "some degree, high degree, or very high degree" (on a five-point Likert scale: Very low degree/Not at all, Low degree, some degree, High degree, very high degree) Is willing to refrain from use of ostomy paste. Has a smartphone compatible with the Heylo™ application Is able to follow study procedures for 4 months (as-sessed by investigator or delegate)  Exclusion Criteria:  1. Is participating in other clinical investigations or has previously participated in this investigation 2. Is pregnant or breastfeeding 3. Has known hypersensitivity towards any of the products used in the investigation 4. Is using/ has a pacemaker  -