Chipboard Cardboard 2mm Thick 122 x 128 20 sheets + 7 x 128 10 pieces Bookbinding Kit Paper Crafting Free Research Cartonnage Sizes: 2mm thick 122 x 128 20 sheets (10 sets) 2mm thick 7 x 128 10 pieces This is a set of chipboard and cardboard. It is a complete set of bookbinding paper materials. It is for 10 books, including front cover, back cover, and spine. *We can accommodate up to 100 sets (for 100 books). *Also available: 2mm thick 172 x 178 20 sheets (10 sets) 2mm thick 7 x 178 10 piece set #Picture Books #School #Kindergarten #Cartonnage #Cover #Case Binding #Hardcover