Description: The bracelet is elastic bracelet, can be stretched Made of opal crystal beads,19 pieces beads Beads will light when light refracting,anti-fatigue Suitable for dress,shirt,uniform and other clothing Perfect accessories for all age Specification: Bracelet Diameter:Approx.8cm/3.15inch,Beads Diameter:Approx.10mm/0.39inch Package Includes: 1Piece Bracelet Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above.but Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc. there could be some slight differences in the color tone of the pictures and the actual item