The double-grip strip ensures easy and smooth roll-on or a secure fit even for nurses wearing gloves The triple anti-leak system is designed to give you the best possible security.The triple anti-leak system consists of a push ring and sure grip ribs for secure connection to the collecting bag and anti-kink bellow and stop kinks to ensure free flow, flexible material The urisheath is made of PSX silicone material, which is skin-friendly, soft and breathable, giving a secure fit and great wearing comfort The Conveen Optima has inbuilt balanced adhesive, which means it's reliable and skin-friendly The GX adhesive is balanced which means it is both reliable and skin friendly