K2 liquid spray is a concentrate kind of synthetic cannabinoids that could be added to various substances for use. Liquid K2 is often a pre-mixed solution that is ready to use. K2 papers and sheets are infuse with artificial cannabinoids and might be consumed by using tobacco or ingesting. https://socialrus.com/story17941512/not-known-factual-statements-about-k2-spice-spray-on-paper