Made from resin , plastic.
With  surgical steel posts.
The jumprings are stainless steel.
 
Super light weight & easy to wear.
 
They measure 4cm long x 2.6cm wide.
 
Picture on the front, white on the back.
100% Aussie made.
I make the templates for these.
They are printed & i cut every piece out by hand & they are turned into earrings.