K2 Legal Mail Paper - K2 Prison Paper - K2 Spice Spray On Attorney LetterK2 Legal Mail Paper is really a Exclusive kind of paper that has been infused with liquid K2, a synthetic type of marijuana. Just about every A4 sheet of K2 paper is infused with 25 ml (0.845351 fluid oz) of odorless and colorless liquid K2, making it a hassle-free and disc