Pilot 18444 Iroshizuku Twilight (Yu-Gure) Limited Edition fountain pen ink bottles offered, in a 4 different inks in a 30ml semi-transparent glass bottle with a special label. This ink bottle set contains hana-ikada (flower raft of Japanese cherry), Ajisai (hydrangea), yu-yake (sunset) and kiri-same (scotch mist). The Twilight (Yu-Gure) theme is inspired by the transition of the sky of the day and night. Pilot 18444 Iroshizuku fountain pen ink bottles has dye-based ink composition. This ink bottle set comes with an exquisite display box that can be used for protecting ink bottles from dust. The Pilot 18444 Iroshizuku fountain pen ink bottles, set of 4, twilight (yu-gure) is brand new in its original packaging.