Because it is a colored pencil set of 24 colors High quality colored pencils, without having to muddy color even if commingled, and is finished in a bright picture. The vivid color and smooth coating feeling, I can enjoy the delicate expression. You can save over a long period of time without having to have excellent light resistance, and fade works. Metal Cased [set color] 222 227 234 235 283 285 334 348 370 403 410 411 504 522 527 567 568 583 614 618 619 620 633 701