The Self-Cath Closed System is a unisex closed system for catheterization. The ring on the cap makes it easy to remove and the EasyOff™ tear tab makes the bas easier to empty. The Self-Cath family of 100% latex-free catheters offers patients a variety of options for intermittent self-catheterization. Each catheter is made of flexible medical grade PVC and has smooth fire polished eyelets for patient comfort and ease of use.