Made of soft PVC (Vinyl) material heat-sealed by high-frequency machine. Cards inserted from the top flap-opened gate. One oval and two round slots on top for being fastened with a clip or snap hooks. Assembed with pull reels to add more fuctions to quick pass. Product with silk-screen printing logo is possible! 2 Compartments for Inserting More of Your ID, Tickets, and Slogan Messages!