Our WSID-05 (Universal Fit) ID solution is the most versatile product we offer. It can be used in many different applications to suit various industries.The unique (shock-cord) fitting system allows this product to be so flexible in how the system is used. The waterproof ID card within the system allows up to 500 characters of information to be stored which is approximately 2 x the information stored by our WSID-01 & WSID-02 Hard Hat ID systems.The Universal ID is made from a very strong "polycarbonate" resulting in incredible durability and strength in extremes of temperature (extreme heat or cold). The shock-cord fitting system can be replaced when needed and the medical & emergency contact information within the system can be easily updated.UNIVERSAL FIT, The WSID-05 can be fitted to:, Boots / Shoes, Hard Hats, Belts, Harnesses / Fall Restraints, Back Packs, Zipper pulls