ConvaTec SUR-FIT Natura - 2 Piece Stoma Cap with Filter is a closed end pouch that requires little maintenance. It is perfect for active lifestyles that may include traveling, swimming, intimacy and bathing. No draining or clips are required with this stoma cap. When the stoma cap is full, simply remove and discard. It is quiet and odor proof, providing discreet comfort. The included filter helps reduce gas buildup. Sur-Fit Natura audibly clicks to the ostomy wafer for a confident seal.