Details: This poster shows a Highway 420 sign surrounded by Marijuana leaves.
The major biologically active chemical compound in cannabis (also known as marijuana, pot, etc.) is THC. It has psychoactive and physiological effects when consumed, usually by smoking, sniffing or ingestion. Humans have been consuming cannabis since prehistory, although in the 20th century there was a rise in use for recreational, religious/spiritual and medicinal purposes
This poster is usually printed with a thin white edge border.