Transform your earring style with the Butterfly extensions! Use Butterfly extensions with hoops, studs, or any post earring style to create an unlimited number of creative style earrings - just replace these dangles for the backings on any post earring and they dangle from behind. So elegant with larger hoops! These extensions are made with lengths of chain with a bar end drop. Bars are 10mm long. Solid 14k gold. The longest dangle is approximately 75mm, or 3 inches. Packaged in a beautiful jewelry gift box to ensure safety in shipping and ready to give as a gift.