100% latex-free to eliminate the risk of latex allergic reactions. Radiopaque stripe simplifies etection on an x-ray. Transparent shaft allows for easy visual inspection. Folysil silicone lumen is significantly larger than a latex lumen in catheters of the same French size which means more efficient drainage. Silicone is biocompatible and inhibits encrustation. Validated for medium to long term use up to a maximum of 30 days.