Traveler's Notebook Inserts Refill Passport Size,A Set of 3 Made of Transparent Plastic with 4 Card Slots Clear Zipper Pouch Case For Traveler's Notebook Journal Refill. Meterial :Matte PVC. 3-pack:each with 1 large zipper pocket and 4 cards slots. Size:5.1"X3.7". Inserts for passport size travelers notebook.