Centimeters	Millimetres	Inches
22x18cm	220x180mm	8.6 x 7 Inches
60x30cm	600x300mm	23.6 x 11.8 Inches
60x35cm	600x350mm	23.6 x 13.8 Inches
60x40cm	600x400mm	23.6 x 15.7 Inches
70x30cm	700x300mm	27.5 x 11.8 Inches
70x40cm	700x400mm	27.5 x 15.7 Inches
80x30cm	800x300mm	31.5 x 11.8 Inches
80x40cm	800x400mm	31.5 x 15.7 Inches
90x40cm	900x400mm	35.4 x 15.7 Inches
100x50cm	1000x500mm	39.4 x 19.5 Inches
120x60cm	1200x600mm	47.2 x 23.6 Inches