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