Size Medium Fit - 30 to 36 Inch Waist (76cm to 91.5cm)
Size Large Fit - 34 to 56 inches Waist (86cm to 142cm)
Size Extra Large Fit - 34 to 60 inches Waist (101cm to 152cm) With more room front to back
It is really important on the all over printed nappies to find out before ordering larger quantities that the size you are ordering fits you ok. If you place a smaller order and would like to mix the sizes that is fine - just put a message on the order stating which sizes. As long as the quantity is the same as you have ordered.