This Product, Bracelet Material Natural Stone, Beaded Diameter about 8mm, Women's 19cm, Men's 20cm, Luminous Beads Material Colored Glaze, Star and Moon Material, Size about 8*8 * 8mm, a Pair of Luminous Beads Bracelets Weighs about 40 Grams, a Pair of Ordinary Bracelets Weighs about 39 Grams, Opp Bags!