The InView silicone male external catheter has an adhesive that forms a comfortable, secure seal around the skin. This standard-type catheter is transparent and enables visual monitoring of the skin. The Hollister male external catheter comes with a soft silicone material that provides breathability and a custom fit. It has a tapered tip that prevents urinary backflow. . WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov