This durable nylon logbook cover is a great way to protect and store your logbook, as well as aeronautical charts and pilot credentials. The main compartment will hold logbooks up to 6-1/2" x 11", and is perfectly suited for THE STANDARD(c) Pilot Master Log. A second interior pocket provides a convenient place to hold aeronautical charts. Four clear vinyl pockets allow storage of pilot and medical certificates, credit cards and other smaller paper or plastic documents. Also on the inside is a loop to hold a pen or a pencil. The hook and loop closure system keeps contents secure.