Made of high quality 16.0 nylon fabric with EVA foam backing• Comfort grip Retractable aluminum dual trolley handle system with push-button lock• Built-in padded compartment designed to carry your laptop computer and help protect it from shocks while traveling• Convenient ergonomic top carry handle• Main compartment contains computer sleeve and three big accessible pockets for accessories• Two front zippered pockets for reading materials, travel documents and more• Easy access front exterior zip pocket• Front zippered organizer pocket offers areas to store writing instruments, cellular phones, PDA's and other accessories and gives quick access to keys, cell phone, pens, passport, cards, etc• Padded Quick-pass Laptop protector ensures safe yet fast airport security screening• Two full-sized main compartments with a place for files and electronic power cords• Inline skate wheels with corner protectors• Premium Replaceable Wheels that are built to last with steel ball bearings, oversized polyurethane wheels and ABS hub guard• Fully lined interior• Solid cast hardware• Fits most 15.4in. laptops