Coloplast Ostomy Pouch SenSura® 11517 Flex Two-Piece System 11-1/2 Inch Length, Maxi Flat 70 mm Stoma DrainableUOM BOX 20 UNITS PER BOX Features A Two piece Appliance with the Benefit of a One piece Attaches to the SenSura Double layer adhesive Barrier with Strong Adhesive Coupling System Adhesive Coupling System is Malleable for a Wider Range of Movement, Comfort, and Discretion May be Detached from the SenSura Double layer Barrier for Frequent Pouch Changes without Changing Barrier Compatible with SenSura Flex Standard Wear Barrier Compatible with SenSura