Midori Traveler's Notebook Leather Bundle Set , Passport Size Camel , Refill Connection Rubber Band 011 , Clear Zipper Case 004 Value Set for Traveler's Notebook, camel Passport Size, Connection Rubber Band and Clear Zipper Case You can even use this passport size as a wallet, card case, or even as a passport cover Refill 003 Blank Notebook is included (Various types of refills are prepared by Midori) The tightness of the rubber band can be adjusted by changing position in which knot is being made