20 x 20 x 1.5 in (50.8 x 50.8 x 3.81 cm)
48 x 36 x 1.5 in (121.92 x 91.44 x 3.81 cm)
20 x 16 x 1.5 in (50.8 x 40.64 x 3.81 cm)
40 x 30 x 0.75 in (101.6 x 76.2 x 1.91 cm)
30 x 30 x 1.5 in (76.2 x 76.2 x 3.81 cm)