Two CZ hoops connected by a 14K Gold-Filled Box Chain.
SOLD AS A SINGLE PIECE
⇝ Hoop Size: 12mm
⇝ Hoops: studded with white sparkly CZ stones
⇝ Materials: Vermeil — 925 sterling silver with a thick 2.5-micron layer of 14K gold plating
⇝ Tarnish-resistant
⇝ Chain: 14k gold-filled Delicate Box Chain
You can find more information about the materials and durability here.