EFYTAL Lotus Necklace, Tiny Gold Filled Yoga Lotus Pendant Charm on Gold Filled Chain and Birth Month Charm Specify Birth Month Charm, and Chain Length in 'GIFT MESSAGE' field. (Select gift option at checkout) Zen Yoga Necklace 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 Diameter - 3/8'' (10 mm) Materials: 14 Kt Gold Filled chain and pendant. EFYTAL stands by the quality of our metals. Choose your own Birth Month Charm