10 Count Hollister 8805 Adapt CeraRing Barrier Rings 2″ (48mm) Exp. 2029 NEW. 10 Count Hollister 8805 Adapt CeraRing Barrier Rings 2″ (48mm) Exp. 05/2029 NEW. CeraRing™ barrier rings help prevent leakage and are infused with ceramide to protect the skin. They come in a variety of shapes and sizes, are flexible, and can be molded to fill in uneven skin contours around the stoma – providing a secure, personalized, and comfortable skin barrier fit. These are awesome! Final sale no returns. Brand new!