EFYTAL Tiny Silver Heart Initial Necklace - Sterling Silver Dainty Personalized Custom Monogram Necklace Specify Initial and Chain Length in 'GIFT MESSAGE' field. (Select gift option at checkout) Chain: 16" (40.6 cm) or 18" (45.6 cm). The chain is dainty but strong, and will not break. Efy Tal Jewelry (manufacturer) will always replace it for you if needed. Dimensions: Pendant - 1/2" x 1/4'' (1cm x .5cm) Materials: Sterling Silver chain and pendant. EFYTAL stands by the quality of our metals. Description: Sterling Silver Dainty Heart Initial Necklace