Dimensions (Length/Width): Size: S 25 x 19" (685 x 485mm) Size: M 26 x 19" (660 x 485mm) Size: L 26 x 20" (660 x 510mm) Size: XL 28 x 21" (710 x 535mm) Size: 2XL 29 x 22" (735 x 560mm) Size: 3XL 29 x 22.5" (735 x 570mm) Size: 4XL 32 x 23" (815 x 585mm)