This LAPTOP backpack is a JUMBO SIZE (XXL) bag which can accomodate your laptop even if is of 17 inces in dimentions, its manly made of Nylon fabic for more durable life. This Laptop Backpack really care for your shoulder & back because it has got TRACTUM SUSPENSION SHOULDER STRAP & AIR GROOVE PLUS technology respectively to give extra comfort to your body. Do you carry a sun glass & worry when you keep inside you existing bag then forget about those worry now, American Tourister has given MICRO FLEECE DROP POCKET(scratch proof material) to keep your sun glass even without cover. YES! it comes with RAIN/DUCT cover, so keep your backpack new as long as you want & also keep your valuable goods dry when rain comes. Enojoy your travel with American Tourister.