Silver necklace with silver pendant in Hebrew that says HAI (life). Both are sterling silver. JAI or HAI, in Gematria (numerical value of the Cabalah) is 10 + 8 = 18. The JAIo HAI has a filigree design in the Yemenite style that gives it joy and warmth. A typical Israeli pendant with the best wishes: Life. The chain measures 45 cm (17.7"), the JHA measures 2 cm x 2.3 (0.8" x 0.9").