Coloplast Multi Chamber Urostomy Pouch is a 2 piece pouch. This pouch has a capacity of 470mL. This urostomy pouch has a soft, absorbent backing and comes with anti-reflux valve. This pouch is divided into chambers for a more discreet and quiet pouch. The flange utilizes a secure locking mechanism. The pouch has a simple locking connector for night drainage bag attachment and includes 3 adaptors.