Convatec GentleCath Intermittent Urinary Catheter, Uncoated, Male, Straight, 16Fr, 16″, PVC, Smooth Insertion, Polished and Rounded Eyelets, Latex-Free.Convatec GentleCath Male Intermittent Urinary Catheter is designed to make catheter insertion and removal as smooth and easy as possible for the user. The product features polished and rounded eyelets to minimize friction, and has a soft, rounded tip that aids smooth insertion. It is also available in female straight tip and male coude tip (for insertion through complicated passages).