Color Chain: Silver
Diameter: 36 inches if unconnected

LED Color:3 Links, White LEDs only, Each link has 4 LEDs
Batteries: 3 Replaceable AG3 Batteries pre-installed

More…

Color Chain: Silver Only

Diameter: 36 inches if unconnected
LED Color:3 Links, White LEDs only, Each link has 4 LEDs
Battery: 3 AG3 per LED link, non-replaceable batteries
Mode: 1 Flashing Mode
Weight: 0.65 pounds

The flashing chain necklaces are fit for one size fits most, but you can add and remove links to suit your preference.