The rat mask as worn by the assassin, Corvo Attano. It is made by urethane and come with a elastic strap for wearing. Unlike others mask in the market, that is made of thin latex, our mask has a certain thickness in it. It allows it to standalone without collapsing as shown from the pictures

 One Size fit most. 

*The Mask also comes with the Empire Isles coin as shown.

Coin measures around 1 3/8" in widest width