The beads are made from natural green sandalwood and natural aventurine. The special fragrance makes people happy both physically and mentally. Each bead are carefully selected, no defective goods. Suitable for everyday wear. The beads are 8 mm. The beads bracelet size is suitable for most people. No metal, good for sensitive skin. Made with the finest quality stretch bracelet string, doubled for extra security. Knot hidden inside beads for clean appearance.