RollTop is a flexible notebook concept that can be folded like a roll of paper allowing the user eventual convenience of carrying and storing it even in a congested place. It features a 17” flat-screen OLED display when fully rolled out with the multi-touch facility that will offer the simplicity and functionality of that of an iPhone. Also, when it is necessary, it can be folded into a 13” smart tablet pc. Besides its touch-screen control, the gadget contains fully fledged keyboard like conventional notebooks. When folded, this compact notebook takes the size of a water carrier and can easily be hanged over the shoulder with a hanging belt.