This 4 1/2″ x 3 1/4″ credentials case is made of durable polyethylene and PVC, so it travels well, and resists tearing and other damage. It’s great for businesspeople, students, and travelers, and will hold any standard identification or other security cards. It has a secure, zippered compartment and split ring hardware to attach your briefcase, luggage, carry on, or backpack. Choose from five bold colors, and add your school, club, organization or business design or message to create a great branded item for anyone that travels. This holder makes a great giveaway for travel agencies, cruise lines, hotels, vacation spots and other transportation-centric companies.