K2 paper in prison sale at the most discreet and convenient shop online k2 Magic Sheets. K2 paper, also known as Spice paper, is a form of synthetic marijuana that has found its way into correctional facilities. It’s essentially ordinary paper infused with synthetic cannabinoids, which are chemical compounds designed to mimic the effects of THC, the primary psychoactive ingredient in cannabis. Because these chemicals can be altered to evade detection, K2 has become a significant challenge for prison security and health care providers.