Legami Fur-ever Friends Erasable Pens

 The Set of Three Erasable Pens - Erasable Pen - Fur-ever Friends from Legami really is man's best friend (and woman's, and children's): just rub the rounded tip over the coloured thermosensitive ink to make it disappear like magic.

0.7 mm tip
Golden Retriever: red ink; Bulldog: blue ink; Poodle: black ink