Patented 2-in-1 Detachable Wheel and Handle System. Front zipper pocket for small miscellaneous items. Front organizer pocket for media devices, cell phone, business cards, key holder and pens. Front compartment features a 3-file divider that expands 2" to allow 30% more space. Back compartment padded to protect laptops up to 17" in size. Dual Laptop Protection System uses a high-tech ABS honeycomb frame to protect laptop from exterior impact and a 10mm high-density foam to help absorb shock and prevent moisture intake. Smart Attachment Strap Attachment allows transport on extended handles of other rolling cases and luggage. Bonus. Protective Weatherproof Cover. Comfortable, non-slip, shock absorbing shoulder strap helps alleviate body strain.