Flat barrier for standard wear Pre-cut to fit 35 millimeter stomas Provides better fit to body and optimal discretion due to the many innovative features Elastic adhesive for a secure fit to individual body shapes Neutral gray textile for optimal discretion Full-circle filter for proven reduction of ballooning Flexible coupling for adaption to body contours and a discreet, flat profile Coloplast uses a color-coded coupling system: This one is red. .