If you are out and about meeting clients a lot, you want a bag that will be able to fit most everything you need. Bit more importantly, you want a bag that holds up to constant use and is also water repellent. A waxed canvas messenger bag not only can handle your needs nicely, but also looks well worn from the day you get it, giving it a cool vintage look.
Waxed canvas messenger bag:
Waxed canvas messenger bag pictured: Manhattan Portage Waxed Canvas Europa Messenger Bag, Dark Brown
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