These are also included in the Japanese special edition of the game, though those are simply black. (metalgearinformer.com)
Speaking of pre-orders, there will be both limited and standard editions of the game on both PS4 and PS3! (blog.us.playstation.com)
For only $ 39.99, you can get the standard physical edition of the game which includes a digital copy of the game, valued at $ 29.99 itself. (cultureofgaming.com)