Features: 1) Size: 21.5 x 18.5 x 5.5cm 2) Other shapes, sizes and designs are available 3) Materials: copperplate paper, ivory card-board, white board of gray bottom, complex paper of environment protection, craft paper, special type paper 4) Printing techniques: offset point, copperplate printing 5) Surface disposal: covered with silken and beautiful cloth and ornamented with bowknot