“Spice paper,” often known as synthetic cannabinoid-laced paper or k2-soaked paper, is made by spraying synthetic cannabis above k2 paper or playing cards. Normal paper or plant product is sprayed with synthetic cannabinoids, that are chemical compounds created to mimic the effects of THC, the main psychoactive aspect in cannabis. https://health-lists.com/story21000488/about-k2-clear-paper-spray