Samsonite Mobile Solution 2 Essential BackpackSleek, smart, and built for the modern professional, the Essential Backpack features a laptop compartment, internal water bottle sleeve, and organized pocketsplus a StackIt strap for easy travel. Organization Dedicated 15. 6 laptop compartment Interior organization includes a zippered pocket, 2 slip pockets, and 2 pen sleeves Interior water bottle sleeve Zippered front pocket includes a key leash Design Adjustable, padded shoulder straps StackIt Strap