introducing ZenKraft’s Rustic Swamp Bison X-Treme Rivet Field Notes Bifold! Zenell yeah! Constructed from 4.5oz. distressed brown Bison, this Field Notes Bifold is cut from a different cloth! A stitch-free designed notebook, it is constructed with antique brass jean rivets which give it a flare all its own. It holds 4 Field Notes size inserts comfortably and has twin tech pockets for holding small accessories. EDC ready, its the Rustic Swamp Bison X-Treme Rivet Field Notes Bifold, from ZenKraft!