Seibunsha Craft Mat Clay Board This is a craft mat that a child used at school. The front is a cutter knife mat. The back is a clay board, double-sided use. Size: 26cm (length) x 32cm (width) As shown in the photos, there are stains and it is bent. There are marks from where a name was written, which have been erased with a permanent marker. It can still be used sufficiently. Please consider purchasing this item with a full understanding that it is a home-stored, used item. Thank you very much.