This is a can badge of Kanao Tsuyuri from Demon Slayer. The diameter is about 5cm as measured. Unused and unopened, it has been stored in a dark place, but please refrain from purchasing if you are sensitive to such things. ＜Packing method＞ Waterproof + cushioning material ＜Shipping method＞ Standard mail ＜For those paying at convenience stores＞ We basically decline this method. If you absolutely must, please comment before purchasing. ＜Regarding price reduction＞ Price reduction is not possible for single items. We will consider a price reduction if you request to purchase multiple items. #DemonSlayer #KanaoTsuyuri #CanBadge