XL2 PSI INK-REFILL, 1/4oz, (SPECIFY COLOR)   OIL BASE for PSI, XPSI, XSS, Slim Stamps, SouthernMAX or MaxLight Pre-Inked Stamps ONLY)   Black,  Red, Blue, Green, Purple.

Depending on the stamp size, you count drops of ink applied and wait 30 minutes to migrate, overnight is best.

Do not use on stamp pads or SELF INK style stamps with polymer print dies.