Michael Kors material of MK Astor Satchel

[can]

I own a MK astor satchel I bought a few years back when it first came out. I wonder if it is made of lambskin or calfskin or something else. TIA!

http://www.michaelkors.com/products/an/MKV01EJ_an.jpg

 

[Compass Rose]

I believe it is made of calfskin.

 

[Twinklette]

Calfskin - it's pretty durable and thick.