Handmade Vintage Leather Travel Notebooks: A5 Trifold/Bifold, Passport, and Field Notes SizeIf Indiana Jones carried a notebook it would be one of these! 4 different sized Travel style journal covers. An A5 in a Trifold and Bifold style as well as a smaller pocket Field Notes size and passport size notebook covers. The material is MPG Concertia full grain vegetable tanned leather in a gorgeous well traveled looking vintage brown color. The A5 Trifold and Bifold hold 3 A5 size inserts. All edges are carefully beveled, sanded, and hand