The extensive Pac-Kit 25 Person Steel Vehicle Kit is a rugged first aid kit with enough supplies to last you and your family a long, long time. The heavy-duty construction can handle the pressure that comes from tool chests or under-cab compartment storage. Its contents were chosen specifically for the sort of injuries that can happen on the road and with 172 pieces in all, there"s more than enough to treat up to 25 persons. Case measures 9.5L x 6.5W x 2.8H inches and is made from waterproof steel that prevents dust as well as moisture. About Pac-Kit Pac-Kit is the first and oldest brand name of unitized first aid kits. The kits story begins in the late 1800s when The Burroughs Wellcome medical manufacturing company began packaging medications and dressings in small cases for use in the field. These medical kits were used by the likes of Admiral Peary and Theodore Roosevelt, and with such great men carrying this product the word of its quality spread fast. At the turn of the century, with the development of cars, trucks, railways, and telephones and telegraphs, Burroughs Wellcome was invited to a forum. The world was changing, medicine was changing, and a certain customer needed a mass production of standardized antiseptics, medications, and dressings. And so Burroughs Welcome created what would become the Pac-Kit. Of course, the Pac-Kit would later develop into its own company by the 1940s. When, in 1970s, the federal government expanded its role in the regulation of medical products, Pac-Kit was the advisor for the creation and implementation of the Quality Assurance program. Pac-Kit isn"t just a brand, it"s history. * 25-person first aid kit designed for vehicular storage * Weatherproof steel case * Meets ANSI Z308.1-2009 standards * 172 emergency supplies in all * Case dimensions: 9.5L x 6.5W x 2.8H inches