This is our MAMA necklace. We can do any letter combination but this has been a very popular one. The letters are pure 14k yellow gold on your choice of chain: pure 14k yellow (shown), white, or rose gold chain, 14k yellow gold fill chain, or oxidized sterling silver chain (shown). You can also customize your own Nameplate Necklace . Necklace measures 16" long. Handmade in California. *Please note: This item is made to order, please allow approximately 10 business days plus ship time.