This massive magnetic copper bracelet which Sergio calls Copper Tide is inspired by the ebb & flow of the earth's seas caused by our moon. It is Sergio Lub style 842 and massive at just over one inch at its widest point. In this medium size, it is about 6" and would fit wrist sizes about 6" - 7". It has 2 rare earth magnets, no plating is used, and it is made with pure copper in the USA.