Metal: Recycled Sterling Silver Plating on BrassGemstones: Amazonite, Turquoise Magnesite, Lapis, Blue AventurineBead Width: 2mmS/M Total Length: 7.2inch, adjustable from 6.2inch to 7.2inchWeight: 2.51g M/L Total Length: 8.4inch, adjustable from 7.4inch to 8.4inchWeight: 2.98g Product Code: BD-S-B6-LPBA