This sticker features the molecular structure of MDMA which is commonly known as ecstasy. It is a common rave drug. It is a man made drug and at low levels works on the neurotransmitter dopamine-- at higher levels serotonin. It is know to produce feelings of euphoria and openness. Some negative effects are that it affects body temperature and may produce altered heart rhythms. Additionally, it may have adverse effects on serotonin receptors. Perhaps you could use this sticker to just remind you of the ecstasy of life :) Our sticker is made of weather proof vinyl. It comes in 2 different colors to meet your needs. This listing is for a white sticker. Each sticker comes with instructions that are easy to follow. It is a similar process as putting on a temporary tattoo. Once you put it on a surface, it is removable, but not re-usable-- as removal will damage the sticker.