DESC: Exclusive to McKleinUSA! Patented 2 in 1 convertible system maximizes your travel options. ABS Honeycomb frame is unbreakable & highly shock absorbent. Backpack features four large, zippered storage areas. Front panel pocket for quick access. Front compartment media organizer for mobile electronic devices, keys, pens, biz cards, etc. Second compartment for parts/accessories mesh pockets for CDs/DVDs, wires, network cables, etc. Third compartment cushioned with 10mm high-density padding protects up to 17" laptops. Rear compartment features accordion-style two (2) file divider for important documents. Non-slip, neoprene shoulder straps are shock absorbing alleviate body strain. High-grade, recessed polyurethane in-line wheels w/ precision German bearings. Locking, space-aged aluminum telescoping handle. Bonus! Detachable mobile phone case & Protective all-weather cover.