This bracelet features black lava beads to add any desired essential oil to..it will last 2-3 days. Some oils last longer... once it wears off then you can add other oils or the same oils whatever you want. It’s a nice alternative to chemical perfumes. Works great as an insect repellent also with certain oils. Bracelet has nice color combo of champagne 4mm bicone beads and small round gold 4mm beads, lava beads are 6mm. Vintage bronze wire S shaped swirl links 20 gauge. Wire is non-tarnish. Length is 8” and has a hook and loop wire clasp. Wire has been hammered for extra strength. Specify your custom length needed.