Made of high quality 16.0 nylon fabric with EVA foam backing and 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 .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 .Large rear compartment with tie-down straps and zip mesh pocket to help keep an overnight's worth of clothes wrinkle free . Convenient ergonomic top carry handle and Adjustable, removable shoulder strap with neoprene cushion