These beautiful 8 mm Strawberry Quartz & Rainbow Obsidian round bead bracelets have a powerful but soft energy to them. They are elastic and fit most wrist sizes. It is said to work by grounding out negativity to let light in. It is useful when used to help soften and ease the effects of shock or fear. Obsidian is said to help protect the over sensitive against depression. Rainbow Obsidian is said to bring love, joy and light into your life.Strawberry Quartz assists in bringing balance to the psyche, the emotions, and the subtle energy bodies. It's also great for gaining hidden knowledge. A combination of these on a bracelet with a silver half moon charm is great if you're wanting softer loving and protective energy.