4 bracelets included authentic black obsidion and lava stones with silver plated crystal accents waterproof, sweatproof, tarnish resistant, stretchydark sister bracelet setSKU: VCJ13$38.00PriceQuantity*Add to CartBuy NowSIZE: S/Mone 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 S/M sized wrist- keep in mind they are stretchy though! feel free to chat me with specific questions about sizing