Made of solid sterling silver with 925 hallmark stamp Measures approximately 3/4 inches (1.9 cm) in diameter Bale accommodates a chain up to 3 mm thickness Single side design Enamel accents The Yin Yang symbol represents the perfect balance between dualities (i.e. masculine and feminine, light and dark, warm and cool). The smaller circles within each half remind us that a portion of the opposing element exists in each duality. It is the religious symbol of Taoism and is worn by followers of Eastern philosophy.