Designed to allow paramedics/first responders quick access to a workers medical information and emergency contact numbers in the event of a serious onsite accident or medical emergency. Allows worker to carry/store ID in a number of different ways to suit many types of industries and work environments. Can be attached to boots/shoes, hard hats, belts, harnesses/fall restraints, back packs and zipper pulls. Unique “shock-cord” fitting system allows flexibility in how it is used. Features waterproof ID card inside with up to 500 characters of information to be stored. Made of strong polycarbonate for durability and strength in extremes of temperatures. 100/Pack.