SenSura® Click Ostomy Pouch Two-Piece System 8-1/2 Inch Length, Maxi Without Barrier Closed End (734849_BX) 30/BXTrust in double layer security SenSura Click is a two piece mechanical coupling system that combines the SenSura double layer adhesive with an audible click to ensure secure locking of the pouch to the barrier Protection layer shields the skin from stoma output Skin care layer keeps skin healthy by absorbing excess moisture Soft cloth on front and back With filter Opaque Coloplast uses a color coding system to ensure a good fit: This one is yellow. 8.