Japan's popular Hinodewashi's delicate, plastic, practical Matamaru Kun Eraser, Matamaru Kun Gold Eraser, and Matamaru Kun Long Eraser. Neat eraser shavings, little clean-up, sleek eraser. Matomaru as in Matamaru Kun Eraser means "collects" as a way to describe the way the eraser shavings group together. Little effort is required to erase or clean up shavings.