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 & Smart Zipper Attachment allows transport on extended handles of other rolling cases and luggage. Comfortable non-slip shock absorbing shoulder strap helps alleviate body strain. Size: 16.5'' x 6.5'' x 13''x 13.5''.