This is a underlay board for stamping designed by a Japanese illustrator eric.  You can use this board underneath paper to make the paper surface even to have clear stamped image.  You can find her adorable work at her Instagram HERE.

* Size: 15.3cm x 11.5cm x 0.2cm (6" x 4.5" x 0.07")
* Made in Japan
* Limited Quantity
* Material: PVC