15.6" Nylon Patented Detachable -Wheeled Laptop Overnight with Removable BriefcasePatented 2-in-1 Removable 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 duals as an easy overnighter or an electronic device storage space. Middle compartment provides room for document needs and includes a detachable laptop briefcase. Back compartment padded to protect most laptops up to 15.6" in size. Dual Laptop Protection System uses a high-tech ABS frame to protect laptop from exterior impact and a 10mm high-density foam to help absorb shock and prevent moisture intake. Protective Weatherproof Cover. Advanced, non-slip, shock absorbing neoprene Comfort Flex Shoulder Strap stretches for comfort, alleviating body strain.