In terms of convenience, wheeled notebook carrying backpacks are what you want. These are perfect for you business travelers as they allow you to easily transport your computer/laptop as well as all your accessories like battery chargers, files and other folders you may use for business.

Look the wheeled notebook carrying backpack

It features
Internal telescopic handle system with in line skate wheels for smooth and easy rolling
Converts from rolling backpack to regular backpack with just one zipper
Laptop compartment is lined with 4 walls of foam and a 2″ thick foam floor for protection
Comes with a 3-digit security combination lock
S-shaped shoulder straps for luxurious comfort
Extra accessory pocket and a double-zipper compartment designed for your adapters and cables
Handle measures 22�including the handle
Material: 1680D/600D nylon
Size: 21″ x 14″ x 11″