Porter Yoshida & Co Tanker 2-Way Briefcase in Black. Japanese bag experts Porter Yoshida & Co present this versatile briefcase in a smart black colourway. The 2-Way Briefcase features two main compartments, each boasting inner velcro closure pockets and the Porter Yoshida & Co staple 'Rescue Orange' lining. A long strap comes included with the briefcase, allowing the bag to be used as both a hand-held briefcase and a shoulder messenger bag. As well as this, the back of the bag has two concealable straps that enable the user to turn the briefcase into a backpack. With ample space and versatility, the Tanker 2-Way Briefcase is perfect for everyday work and leisure use.