Hornettek, LLC DataShell 3-In-1 Dynamic Shield for 15-Inch Laptop - Messenger/Backpack/Briefcase (CP-SST15-SR) Individual padded laptop compartment with zipper binding for maximum protection Large interior space with padded iPad pocket, pen holders and other accessories pockets Front compartment with document and mesh pocket with zipper to keep things in place Carrying handle can slide in both directions for briefcase or backpack Safety belt material shoulder strap could be detached in backpack mode Integrated backpack straps could be completely hidden in briefcase mode Meshed back panel enhances air breathing and comfort Mobile phone pocket with velvet lining for quick accessing from the outside