This badge holder is made of polypropylene. The buckle is plastic, and the lanyard is polyester. The color of the lanyard is the same as the color of the badge holder. The internal size of the badge holder is 3 3/8" L × 2 1/8" W and can hold two cards. You can exchange cards by opening the back of the badge holder. It is suitable for meetings, schools, companies, and offices. Includes full printing on the lanyard.