ConvaTec Esteem Synergy - 12" 2-Piece Drainable Ostomy Pouch with Filter (InvisiClose Tail) has a 1-sided comfort panel and invisiclose tail closure. 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. Stoma Size: Small (1 3/8"), Medium (1 7/8"), Large (2 3/8"). Style: Transparent (single-sided comfort panel), Opaque (2-sided comfort panel). Box of 10.