Transparent, disposable irrigation sleeve with adhesive back. Assura sleeve Easy to use Disposable irrigation sleeve has an adhesive backing, and can be used with the SenSura or Assura baseplate. Irrigation creates security and freedom for people with a sigmoid colostomy, enabling a regular, controlled bowel movement. Disposable Adhesive-backed After irrigating, an Assura Minicap is recommended. Irrigation should not be self-administered before you have been fully instructed by a doctor or nurse.