The earrings are made of 14 k yellow and white gold. The center star on each earring is white gold. There is a regular post soldered onto the back of the smallest star. The post is not threaded. There will also be a ear back. The largest star is just shy of a half inch. The entire earring from top to bottom measures 3/4 of a inch. The earrings weigh 0.8 grams I will provide a earring box.