The Gazelle commuter bag was designed for getting to work with peace of mind. Everything you need for a day at the office will be well protected in this waterproof bag, including your computer, with a special compartment developed specifically to cushion your laptop (up to 15 inches). The Gazelle commuter bag has a removable shoulder strap for comfortable carrying off the bike and attachment hooks to ensure the bag is tightly fastened to your bike's rear rack.