Made with Black Lava Beads that can be used as Aromatherapy beads. Made with strong professional stretch cord and sturdy 14mm clasps. Made strong enough for everyday use with a beauty and flair that makes you want to wear it when you go out! Can be unclasped and interchanged with other bracelets using your medical ID. Beautiful and practical. Comes with two additional 14mm clasps with jump rings to add length if needed. Stretchy so you can slide it on and off your wrist with out undoing the clasps