Fits up to 18.4″ laptops . Durable, light aluminum frame with wheels . Retractable handle for easy rolling. Protective rubber coating on the bottom . Strap on back to slide over rolling luggage . Generously padded built-in laptop sleeve. Zippered top to protect from the elements. Outside pockets for iPad or e-reader. Deep inside pockets for peripherals. Inside organizational pockets for smaller items. 18.4″ laptop monitor size and 12″ drop length.