MAPi Cases Sia for iPad (2nd, 3rd, & 4th Gen) - Portfolio Style Croco Leather Handbag, with recessed handles, Croco Brown The crocodile styled leather Sia is available in four colors: black, brown, red, and tan. As a bonus, the case is delivered with a luxurious drawstring pouch that can be used for storage. The Sia is lighter and more compact than a regular handbag and by sliding the handles down it can be carried as a notebook.