This necklace is made with beads of genuine Baltic Amber from Lithuania, interspersed with beautiful turquoise chips. Amber is a tree resin that has been fossilized for millions of years. When worn against the skin, the skins warmth releases healing oils from the amber, providing anti-inflammatory and analgesic effects. Historically, Baltic Amber has been used as a traditional remedy for many ailments. The clasp is a pop-apart. Small = 11" to 11.5" (28cm) Medium = 12" to 12.5" (32cm)