In the SenSura 1-piece solution, the adhesive and bag are permanently fixed together. When required, the whole appliance is removed and changed.
In the SenSura Click 2-piece system, the bag can be removed from the adhesive so that the bag can be changed more often than the adhesive. The bag is fixed to the base plate by a secure mechanical coupling.
In the SenSura Flex 2-piece system, the bag can be removed from the adhesive, so that the bag can be changed more often. The bag is fixed to the base plate by a flexible adhesive coupling.