This is a really useful little gadget with the added bonus of being environmentally friendly. Very easy to use, no more wasting paper, very smooth and easy to write on, fits comfortably in the hand and any mid size pocket of backpack. Writing is a little dim. But nice and lightweight, I've become so fond of this, I make lots of notes and messages, and for that purpose it is ideal, press delete when I've finished Simple !!. Also it is good for kids, clean learning for kids.