ConvaTec Natura® Post-Op 2-Piece Drainable Kit 2-1/4", with Invisclose Tail Closure, with Durahesive Moldable Skin Barrier, Transparent, StandardPost-operative kits are designed for post-surgical use following a colostomy, ileostomy or urostomy procedure. They provide easy pouch-to-skin barrier application and require less pressure on tender post-surgical abdomens. They can also be used in the management of abdominal fistulas or draining surgical wounds.