Individually knotted, gorgeous unpolished black Lithuanian Baltic Amber straight out of the Baltic Sea. Every necklace is absolutely one of a kind & has been meticulously handcrafted from preparing each & every bead from raw material to carefully knotting each precious amber for maximum safety & durability. This design features a screw clasp closure and measures 11"! Please confirm size prior to purchase. It is my mission to not only bring you unbeatable prices, but quality workmanship, 100% guaranteed authentic material - ALL gemological testing reports freely available. I also am the only brand endorsed by the International School of Gemology for 100% authenticity. Your satisfaction is my utmost priority!