Pearlz Ocean Natural Black Onyx Round Faceted Gemstone Beads Strand Bracelet for Women and Girls Features 13 round-cut faceted beads each measure 12 mm Gemstone weight 128 carats Bracelet secure Lobster Claw Clasp shines with High Polish Bracelet dimensions: 12 mm wide x 6.5 inches long with a 2-inch silver extension Healing Stone Power: Black Onyx absorbs and transforms negative energy, and helps to prevent the drain of personal energy. Fulfilled by Amazon. Fast and satisfaction guaranteed. 30 Days Money Back guaranteed.