3mm 14k gold filled beads with 3mm freshwater pearls. The sizing is referring to the circumference of the bracelet. 

Saskia de Vries is an independent jewelry designer, primarily specializing in 14k gold filled and sterling silver ‘leave-on’ bracelets and necklaces… and putting them together with sandalwood, stone and semi precious stones. Saskia loves pieces that never come off, and layering them with pieces that do!  Every piece is unique, which is the beauty of Saskia de Vries Handmade.

Please note the price difference between the different sizes.