"Yin" is to dark as "Yang" is to light. According to Chinese philosophy, Yin and Yang symbolize the strong connection between complete opposites. If you believe in strong loving and caring bonds, these necklaces are suitable for you! Not one! But two necklaces included for you and your significant other or best friend! Since these items are of high demand, it will take 5-7 additional days to ship. However SHIPPING IS FREE!!! Inventory is limited! Get yours before it runs out!