The SAR 5 Rung high stepper is made from our 18mm superweb. it comes with its own storage bag that can be connected to your harness when not in use so is not dangling around your legs giving a possible cause of an accident if caught. This not for use as PPE (Personal Protective Equipment) There is no standard for this type of product. It is an aid to climbing as in portable steps. You must always use a separate sling or rope as your safety.