This magnetic bracelet is silver and copper, 9 inches long and there are no bands, wires, or clasps. They can be pulled apart at any juncture and sized for your desired fit. Many health professionals are now using magnetic bracelets to help treat: arthritis, sports related injuries, tendonitis, carpal tunnel, tennis elbow and body aches and pains. Please visit the Magnetic Therapy section to learn more about the health benefits and care of magnetic jewelry..