Ostomy irrigation sleeve having a tubular shape and a first end with a first opening for receiving ostomy discharge material and a second, opposite end with a second opening for discharge of the ostomy discharge material into a discharge unit, for example a toilet, after guidance through the sleeve. The irrigation sleeve is made of a flexible, water soluble material configured to be water soluble only after a certain time of exposure to liquid, wherein the certain time is at least 3 minutes.