This is a refill pad for the large sized Sanby Ink Biyori Blank Stamp Ink Pad.
(The Sanby Ink Biyori Blank Stamp Ink Pad is a special stamp pad created especially for use with fountain pen inks to create your own custom stamp pads for use with your rubber stamps. A great way to use inks from your collection! Simply drop some favorite ink colors onto your stamp pad and use with your rubber stamp as you would a regular ink pad.) *Refills available