To Customize: Click on the yellow Customize Now button to specify which initial and birth month stone you’d like. Chain: 16 (40.6 cm) or 18 (45.6 cm) Dimensions: Pendant – 1/2 (13 mm) Materials: 14 Kt Gold Filled chain and pendant, choose your own Birth Month Charm Gift Giving: This heartfelt necklace is packaged to protect the chain from tangling and tarnishing during shipment. It comes with everything you need to give the perfect gift including a gift bag and a note card – takes just a minute to assemble! Makes a sentimental surprise for any awesome lady from best friend, husband, or significant other. We also have the best gift ideas for Mom or Grandma on Mother’s Day, anniversary, or birthday.