S:
Width: 20.5"(52cm) / Length: 25.9"(66cm)
M:
Width: 21.6"(55cm) / Length:27.5"(70cm)
L:
Width: 22.8"(58cm) / Length: 29.1"(74cm)
XL:
Width: 24"(61cm) / Length: 30.7"(78cm)
XXL:
Width: 25.1"(64) / Length: 32.2"(82cm)