K2 Legal Mail Paper - K2 Prison Paper - K2 Spice Spray On Attorney LetterK2 Legal Mail Paper is actually a Exclusive style of paper that's been infused with liquid K2, a artificial form of cannabis. Each A4 sheet of K2 paper is infused with 25 ml (0.845351 fluid oz) of odorless and colorless liquid K2, which makes it a easy and discreet approach