"Dopamine functions as a neurotransmitter in the brain. It has been
linked with feelings of happiness, excitement and positivity as well as
the eagerness to go after goals or rewards.
dopamine molecule cufflinks are cast and fabricated, and painted with
enamel. The oval measures 2.1cm by 1.6cm. Backings flip to allow the
cufflink to be easily inserted into the cuffs."