Product Condition: Handmade, Unused Shina Plywood Panels A5 Size 148 x 210 x 12mm (error margin: +/- 1mm) Set of 20 Price will increase as stock runs out. These are made by gluing wooden frames to shina plywood. The shina plywood is a mix of 3mm and 4mm thicknesses. Regarding Shina Plywood: Shina plywood, which is a building material, and various other plywoods have a front and back side. The clean front side is used. The back side typically has quality assurance stickers or areas where the veneer has been peeled off, and these are generally used without issue.