12 x 12 inch (30 x 30 cms)16 x 16 inch (41 x 41 cms)20.1 x 20 inch (51 x 51 cms)24.1 x 24 inch (61 x 61 cms)28.1 x 28 inch (71 x 71 cms)32.1 x 32 inch (82 x 81 cms)36.1 x 36 inch (92 x 91 cms)42.1 x 42 inch (107 x 107 cms)48.1 x 48 inch (122 x 122 cms)