Our bestselling Birthstone Bracelets are stacking bracelets with the unique birthstones for each month. The October bracelet is made with 3mm gold filled beads with faceted genuine Pink tourmaline gemstones. Strung on high quality, strong elastic cord. Comes on unique birthstone card. Size Guide: XS: 6" S: 6.5" M: 7" L: 7.5" *Size S is my standard and most frequently ordered size, that seems to fit the most wrists.