Silver Tone Medium Pi To Infinity Sisters Toggle Necklace. Silver Tone Medium Pi is approx. 0.59 x 0.47 x 0.08 (HxWxD) including loop. The irrational number Pi is a mathematical constant, the ratio of a circle's circumference to its diameter, approximately 3.14. It has been represented by the Greek letter since the mid-18th century. 3mm Rolo Chain Necklace is 18 inches long. Infinity Toggle is approx. 0.90 x 0.40 x 0.10 inches (HxWxD). Mini Infinity Sign link is approx. 0.41 x 0.17 x 0.11 inches (HxWxD). The infinity symbol represents the quality of being limitless or endless. Whether you were sisters at birth, sorority sisters, and best friends who found each other Sisters are forever. PLEASE NOTE: Our products are lead safe, but are not intended for children 14 years and younger.
