New technology bead pack A new ink that uses pigments, a gel ink ballpoint pen that has been proven to have an effect that makes it easier to write darker characters and is easy to remember. "Note, clear and clear." "Uni-ball one" Black is The color is darker, the color is more vivid, and the black color is even darker than the general gel ink, which is easy to remember and can write clear and sharp characters. Regarding black, it was found that the darker and clearer the characters are, the easier it is to remember. You can write letters that are easy to impress when you look back at the notebook. Highly quick-drying ink without bleeding / The newly developed "Uniball One Ink" is a color that is a solid content while quickly permeating the liquid component into the paper surface by changing the ratio of the solid and liquid components in the ink. It is possible to leave the material on the paper. Although it is a quick-drying ink that penetrates quickly into the paper surface, it does not bleed or strike through because it suppresses the color material from being absorbed by the paper surface. Lineup of ink colors that can be hidden with a red sheet / For those who use a red sheet for memorization together for memory learning, 0.38 mm has 3 colors of orange, baby pink, and yellow, and 0.5 mm has 2 colors of orange and yellow. Can be hidden with a red sheet for memorization.