The M2 is an 8-liter tank bag with a 2.5-inch expansion joint that allows the bag to expand and store up to 12 liters of volume. Made of single-shot printed PU with carbon fiber graphics, this bag is water resistant, comes with a transparent window for your phone, a port for the power cord, a removable inner case and a shoulder strap. Extremely versatile, this bag is a workhorse both daily and travel.