EFYTAL Infinity Necklace - Cultured Pearl Eternity Sisters Necklace SPECIFY CHAIN LENGTH IN "GIFT MESSAGE" FIELD (Select Gift option at checkout) Chain: 16", 18" or 20". The chain is dainty but strong, and will not break. Efy Tal Jewelry (manufacturer) will always replace it for you if needed. Materials: Chain: Sterling silver, Infinity Symbol: Silvertone, Cultured Pearl. EFYTAL stands by the quality of our materials. Perfect for Bridesmaids, Sisters, Sister of the Bride