Oil-based black pigment ink refill for midori's Paintable Stamps. When the ink of the paintable stamp starts running out, use this to refill the ink.
For rotating type stamp: Take out the ink pad from the stamp. Drip ink on the whole ink pad. Leave for 2 to 3 minutes for the ink to soak in and it's done.
For penetration type stamp: Drip ink along the image of the stamp. Leave for 10 minutes. Clean the ink spilled outside of the image area with some tissue paper. Try stamping a few times to make sure it is clean.
