Cartonnage Kit Royal Box And Book. Cartonnage is an ancient technique for making boxes and books. It consists in assembling the carton cuts and covering them with paper or other textile. This kit contains 29 pieces to make an original box and a journal with hard cover. The board is hard and strong, 300grs, and can be painted and glued. Box is approx. 7.5 x 7.5 x 3.75 inches when assembled. Book is approx. 5.9 x 5.9 x 2.75 inches when assembled.