Anti-Theft Classic Plus Shoulder Strap Black. The Travelon Anti-Theft Shoulder Strap gives you anti-theft protection on any bag with a removable shoulder strap. The stainless steel cable reinforced strap will prevent the bag from being cut off the user. The strap is adjustable and features a padded, non-slide surface for comfort. Top-grain leather, non-slide shoulder pad. Fits Classic Plus bags and most all other briefcases and travel bags. PATENT: http://www.travelonbags.com/patent-marking .