Please use a comparison object for size. The mat is 1 cm per square. Items in stock can be added. Please feel free to comment (*^^*) About bulk discount [50 yen off from the second item.] *Discounts are only for dedicated listings. Discounts cannot be applied later. As these are imported goods, there may be scratches, uneven coloring, distortions, etc. We appreciate your understanding. m(._.)m We plan to ship by standard mail. It is possible to change to shipping with a tracking number for an additional 150 yen. *Samples are not included.