ConvaTec Esteem Synergy - 12" 2-Piece Drainable Ostomy Bag with Filterhas a 1-sided comfort panel and two tail closures per box. This drainable ostomy pouch is for use with stomas located on the right side of the body. Features Convatec's adhesive coupling technology, the pouch connects to the skin barrier without the need of plastic rings. The Synergy system has a flat, flexible adhesive foam ring that attaches securely to the clear, flat, flexible plastic "landing zone" flange on the skin barrier. Transparent pouches have 10 pouches per box.