12.2 x 12 inch (31 x 30 cms)16.3 x 16 inch (41 x 41 cms)20.4 x 20 inch (52 x 51 cms)24.5 x 24 inch (62 x 61 cms)28.5 x 28 inch (72 x 71 cms)32.6 x 32 inch (83 x 81 cms)36.7 x 36 inch (93 x 91 cms)42.8 x 42 inch (109 x 107 cms)48.9 x 48 inch (124 x 122 cms)