"This geekery necklace was made with piece of circuit board green color.
It was cut round, put into base and covered with resin. The surface is
smooth like glass.
The pendant's diameter is 1 inch. Total length of silvertone chain is 48 cm or 19 inches. We
can make the chain any length you want, please let us know in a message
window to the seller when you are at the check out page."