New This is a slightly defective item. There are bumps, uneven coloring, stains, and minor scratches from the manufacturing process, but it can be used without any problems. Please refrain from purchasing if you are looking for a perfect item. Numbers 1, 2, 3, 4, and 5 are sold out. Please let me know the number you want before purchasing to check stock. If you wish to purchase multiple items, please comment. 200 yen off for 2 items (shipped separately) 300 yen off for 3 items ... Sizes: Number 1, 2: Diameter 22cm, Thickness 2cm Number 4, 5, 6, 7, 8, 13, 14, 15, 16: Diameter 20.5cm, Thickness 2cm Number 3, 9: Diameter 19cm, Thickness 2cm Number 10, 11: Length 27cm x Width 19.5cm x Thickness 2cm Number 12: Length 23.0cm x Width 15.0cm x Thickness 2cm *Due to manufacturing characteristics, the size and shape may vary slightly for each item.