This super chill silver bar necklace features an adjustable chain and a necklace that features a collective periodic chart carding and an elemental bar necklace that includes the five elements Ca (Calcium), N (Nitrogen), Na (Sodium), Bi (Bismuth), and S (Sulfur). 

Dimensions: Pendant 1.45” L, .3” H; Necklace 18.6” L (Approx.)