Batman mask designed based on Batman Arkham City by Shannon .
Batman: Arkham City is a 2011 action-adventure video game developed by Rocksteady Studios and released by Warner Bros. Interactive Entertainment for the PlayStation 3 and Xbox 360 video game consoles, and Microsoft Windows.
Based on the DC Comics superhero Batman, it is the sequel to the 2009 video game Batman: Arkham Asylum.
It was released worldwide for consoles, beginning in North America on October 18, 2011, with a Microsoft Windows version following on November 22.
Like mention in title this is a cosplay version of Batman mask which means the scale is 1:1, wear-able.