SenSura Click Two Piece Filtered Closed Ostomy Pouch Large Box of 30, Opaque manufacturer_PERFORMANCE HEALTH Integrated filter to neutralize odor Integrated filter to neutralize odor and avoid the risk of the pouch ballooning This wheelchair comes designed as blue and black and is made of an aluminum lightweight material that is also strong making it easy for the caregiver to transport around Mechanical coupling allows the pouch to rotate to the best position The SenSura Click Two Piece Filtered Closed Ostomy Pouch is a two piece mechanical coupling system that combines the unique SenSura double layer adhesive with an audible "click" to ensure secure locking of the pouch to the barrier