The Rio is an eternal link and figure 8 Eternal station linking it.
This Necklace lays flat and stacks beautifully. This is the necklace that doesn't flip or roll or turn it is very flat and a mixed chain favourite.
14K yellow gold
Stainless Steel Metal
Waterproof
PVD No tarnish plated
Lobster claw clasp
Extender
Hypoallergenic
The Rio is an open link that looks antique and very modern. SO comfortable you will always want to wear it.