Demon Slayer: Kimetsu no Yaiba - All-Concentration Exhibition All-Concentration Exhibition Replica Shikishi Collection Book This is one book, with images of the front and back. [Product Details] Size: Approximately 350 x 330mm Storage Size (per sheet): Approximately 142mm wide x 160mm high or less Specifications: 4 sheets per page x 8 pages, a total of 32 sheets can be stored Unopened, unused.