Extended Wear: The SenSura Mio click adhesive is elastic and provides a secure seal to prevent leaks. 40-millimeter Flange: The precut ostomy flange uses a Green Code system to ensure an accurate, easy fit. 1-1/8 Inch Opening: The barrier features a 1-1/8 inch opening to accommodate a range of stoma sizes. SenSura Mio Click Precut System: This system offers a full-circle filter that clicks in place for proven reduction of ballooning. Flexible Design: This ostomy barrier adapts to body contours for improved comfort and wearability throughout the day or night.