Product nr.21 Dimension:15x20 cmNr. of colors: 17 Product nr.22 Dimension: 17x22 cmNr. of colors: 25 Product nr.23 Dimension: 18x24 cmNr. of colors: 23 Product nr.24 Dimension: 18x24 cmNr. of colors: 16 Product nr.25 Dimension: 18x34 cmNr.of colors: 24 Product nr.26 Dimension: 18x34 cmNr. of colors: 21