Casual Ili Bag - The standard Casual Ili Bag's price covers sizes:

S (7"X6")

M (10" X 8") 

L (12"X8"), and 

XL (14"X10")                  

Evening Ili Bag - The standard Evening Ili Bag's price covers sizes:

S (7"X5")

M (10"X7")

L (12"X8"), and

XL (14"X10")  

Straps - The standard size for the straps are:

        S   (7")

        M (10")

        L  (13")

       XL (15")