Material: high-density titanium steel + silicone High-quality materials - Made of silicone and metal, its sturdy and durable for long-term use. comfortable fit - Lightweight and easy to use. Fits any wrist size, unisex. Parameters: S Length: 18cm (for women) L Length: 20cm (for men) Anti-Static Bracelet Negative Ion Silicone Metal Balance Energy Sports Bracelet Feature Achieve a more active lifestyle and wellness with this powerful sports ionic balance wristband Designed with charged molecules to promote a positive attitude and provide therapeutic benefits to your health and fitness. Adjust the positive and negative ratio of human body current through our bracelet, and gradually improve the appearance of static electricity. Extremely stylish and simple, made from ionic metal and food grade silicone with a magnetic closure for a perfect fit easily. Available in a variety of sizes and colors to suit your personal style and preferences. Small and portable, this is definitely a cool fashion statement. Titanium Magnetic Lymphatic Therapy Bracelet: Titanium Magnetic Bracelet can not only speed up basal metabolic rate, help control body shape , but also effectively reduce stress, improve blood circulation, promotes better sleep and normalize blood pressure