Special edition set of 3 Under the Sea Sea Turtle, Clownfish and Seahorse Erasable Gel Pens from Legami , with turquoise, black and purple ink.
Write and doodle to your heart's content, erasing when needed, because with thermo-sensitive ink, you won't need to throw the whole page away. The trees will thank you! With a 0.7 mm tip, this is the pen to keep close at all times.