18 inch raw rainbow, genuine baltic amber necklace knotted between each bead, with clasp closure Size: 18 inch Shape: circle Finish: matte Style: necklace Material: raw baltic amber Amber is thought to bring 'good luck'. Amber is meant to be worn, never ingested or chewed. Never leave children unattended around amber jewelry. Baltic Amber is a fossilized tree resin & comes in a variety of colours and shapes. Baltic Amber has been used for thousands of years as a healing agent, jewelry and decoration. Baltic Amber contains 3-8% succinic acid, which is believed to help with pain while wearing it. Succinic acid is a natural analgesic and healing agent.