MATERIAL- Natural Stone ,it is lead free and nickel free. SIZE-Elastic with Elastic Strachable Size length:18-24cm Crystal Bead Size:8mm. Charm Bracelet- Gemstones, Include: 8mm Blue Stone Crystal ,Unisex, Good matching for MEN and WEN. Natural Crystal Bracelet: We use only authentic, genuine and unique minerals for their powerful spiritual healing energies. Each one is unique and different. The bracelet is very cfortable. Trendy and elegant looking goes well with many outfit you wear. Great stunning addition jewelry for male or female daily wearing.Elastic with adjustable Size NATURAL BEADS BRACELET: Elastic with adjustable Size Bracelet for 16mm to 24mm wrist size. Cfortable wearing fit MOST people. Perfect gift for families, friends with best wishes in Valentine’s Day, Mother’s Day, Father’s Day, Christmas, Birthday, Thanksgiving Day.