Ortlieb's Ultimate6 M Pro handlebar bag keeps essential items right there at your fingertips. The lockable lid sports a clear window so you can see and even operate your your smartphone, GPS, whatever. It also has attachment points for Ortlieb accessories (sold separately). Inside a set of dividers keeps things organized and a zippered pocket holds valuables for quick access. A removable shoulder strap makes carrying it around easy, mesh pockets hold extra stuff, 3M reflectors increase visibility, and if you have to put it down the square bottom keeps it upright. A lockable mounting system secures the bag to your bike even if you're not there to watch it.