This necklace has 6 sterling circles that hang loose on the chain. They measure 15mm (a dime is 17.9 for reference) The chain comes in 16, 18 or 20" length rhodium plated, sterling silver Italian box chain, from Italy. This specific necklace is shown on the model (the middle necklace); she is wearing the 16" chain in this picture (the shortest necklace). The middle necklace is an 18" length and the largest circle necklace is a 20" chain.It arrives packaged with a “Party of six this is our happily ever after” card in a sweet little gift box with a bow.