What is K2 jail paper? K2 jail paper refers to paper materials, like letters or drawings, that have been soaked in liquid K2, a synthetic drug that mimics the effects of cannabis. The paper is smuggled into prisons and used by inmates to obtain high.@821mediaDamn unk @#821media #PrimeDayDreamDeals #821media? #jamarcolashawn ##prison #prisontiktok #