Introducing ZenKraft's Hyper X-Treme Bi-Fold Plus. Well, it was inevitable. The plus on this one is indicative of the added bottom left utility pocket, which adds to the functionality of this versatile notebook. The notebook holds a Field Notes insert, two reg. size inserts and a host of pens, rulers, and small tech items in either of the six, yes six pockets this notebook has installed. This one is constructed from Kodiak Brown leather which is pliable and durable, and will last for years. Its the Hyper X-Treme Bi-Fold Plus, from ZenKraft, enjoy!