Design Concept: Material: Hematite+Black Obsidian+Tiger's Eye. Tiger's Eye protects self-confidence and gives back negative energies. Hematite protects and strengthens. Obsidian is a volcanic stone with strong healing properties. Natural material for long-lasting beauty. Give unique temperament.Perfect Size: 8mm diameter natural stones are strung on strong 16cm long stretch thread. With its elastic link from 16cm to 18cm, this bracelet will fit all wrist sizes.Easy to Wear: Strong stretch cord will allow easy on/off fitment, Stretching Over The Hand. Target Audience: UnisexOccasions: Wrap bracelets fit for Casual, Party, Prom, Class, Wedding, Bridal, Office.Ideal Gift: Perfect gift for Christmas Day, Anniversary, Valentine's Day, Mother's Day, Father's Day and Birthday to your girlfriend, boyfriend, father, wife and mother.