This amber necklace is made from the highest quality polished baroque Baltic amber. Excellent quality! The necklace fastens with a screw clasp that opens and closes easily.Amber has long been used in folk medicine for its purported healing properties. Amber and extracts were used from the time of Hippocrates in ancient Greece for a wide variety of treatments through the Middle Ages and up until the early twentieth centuryAmber is not a "stone" but a natural resin. So as it warms with the body"s natural temperature, amber releases its healing oils (these oils contain succinic acid )which are easily absorbed into the skin and then into the bloodstream. Baltic Amber has some of the highest concentrations of Succinic Acid found in nature, and this is what makes it so special. Succinic Acid is a natural component of plant and animal tissues, and it"s presence in the human body is beneficial in many ways.Important Safety Notice: Amber will crack and break under too much pressure. Necklaces should be removed when you are sleeping or unattended! We assume no responsibility if any harm should come to due to misuse of our products.Amber artisans or any other parties involved in creating, producing, manufacturing or services provided on this site shall not be liable for any direct or indirect, consequential, incidental, punitive, special or otherwise damages arising out of access or use of this site and its products