K2/Spice and Cannabis all in One Test Synthetic cannabis is a designer drug consisting of natural herbs sprayed with synthetic chemicals which when consumed are said to mimic the effects of cannabis. It is best known by the brand names K2 and Spice and Spice product. This drug cassette will test your urine for marijuana (cannabis) and K2/Spice (Synthetic Cannabis). All tests are CE Marked and FDA Approved, with an accuracy level of 99%.