This a wire and beaded bracelet with black lava beads -6mm, you just need to add couple drops of your desired essential oils to enjoy. Last 2-3 days. Some oils last longer than others. Nice alternative to chemical perfumes and it’s a great summer time insect repellant with certain oils. Wire swirl links are silver plate 20 gauge non tarnish wire, 4mm clear crystal bicone beads and 5mm silver flower spacers. Closes with hook. It’s 7.5” length - specify your length needed.