Shachi-iro Ukidel Stamp Pad SETPress, paint and have fun!! Ukidel is a stamp pad that uses a mysterious white ink that repels water based ink. Stamp with your favorite rubber stamp and paint over the impression with fountain pen ink or a water based pen, and the illustration will appear to stand out. This is a recommended item for those who have fountain pen inks of various colors but can't use them all. It can be used in a variety of ways depending on your ideas, such as color