4 bracelets included authentic black obsidian and black lava stones with antique brass accents waterproof, sweatproof, tarnish resistant, stretchyvvitch bracelet setSKU: VCJ07$35.00PriceOut of StockSIZE: M/Lone size fits most, but if I had to put a label on the size range of this set I would say it best fits a M-M/L sized wrist- keep in mind they are stretchy though! feel free to chat me with specific questions about sizing