16x20 inch / 40x50 cm16x20 inch / 40x50 cm
20x27 inch / 50x70 cm20x27 inch / 50x70 cm
24x31 inch / 60x80 cm24x31 inch / 60x80 cm
31x39 inch / 80x100 cm31x39 inch / 80x100 cm
35x47 inch / 90x120 cm35x47 inch / 90x120 cm
40x51 inch / 100x130 cm40x51 inch / 100x130 cm
