Our classic Birthstone Bar Necklace is made with 14k gold filled and sterling silver materials, making this piece a keepsake, meant to be worn for many years. Further personalize your necklace with custom engraving on the front or back of the bar with names, dates, or a special message. Necklace lengths: 16, 18, 20 inches or upgrade to a 24 or 30 inch here: https://www.etsy.com/listing/455678532/upgrade-to-24-or-30-inch-sterling-silver?ref=shop_home_active_1 Our pieces are handmade in our…