Mitsubishi Pencil (Uni-Ball) Uniball ONE refill 10P box

A gel ink ballpoint pen with a new ink that uses a new technology bead pack pigment, which has been proven to write darker characters and make it easier to remember. Compared to general gel inks, which are darker and more vivid in color, and can be written clearly and easily in memory, the black color is much darker. Regarding black, I found that the darker and sharper the character, the easier it was to remember. You can write letters that are easy to leave an impression when you look back at the notebook. Quick-drying ink that does not bleed / The newly developed "Uniball One Ink" changes the ratio of solids and liquids in the ink, allowing the liquid component to quickly permeate the paper surface while maintaining the color of the solid content. It is possible to leave the material on paper. Although it is a quick-drying ink that penetrates quickly into the paper surface, it does not bleed or bleed through because it suppresses the absorption of colorants into the paper surface.