Coloplast Self-Cath - 16" Coude Olive Intermittent Catheter with Guide Stripe is a sterile self-cath intermittent catheter that allows the user to monitor the catheter position during insertion and removal of 16" long funnel end catheter. The coude olive tip and smooth fire polished eyelets allow for added comfort. Coloplast (fka Mentor), formerly Mentor, has a variety of intermittent catheters to meet all of your needs.