Satchel-MB Promate Large Compartments in an Ergonomic, Lightweight Messenger Bag, 15.6" Water-resistant and with secure zippers on the front pocket: This stylish messenger bag for laptops up to 15.6" has several pockets and a front storage zipper to hold your essentials. This bag is fashionable and appropriate for any workplace or educational setting. Having this fantastic lightweight messenger bag means you never have to worry about running out of room. The Satchel-MB feature