1. 99.99% Pure Copper: This bracelet is crafted with pure solid copper with longlasting lacquer coating. It's hypoallergenic, lead and nickel , good for body and environmental. 2. 3X Strength Magnetism: The copper bracelet is set with 3 rows of magnets (3500 Gauss each) for maximum effectiveness. 3. Adjust within 5 Minutes: Length: 9.06'(23cm), Width:0.83'(2.1cm), Weight:105g. Every bracelet comes with a sizing tool. You could adjust the size anywhere you want and make it perfectly fit your wrist. 4. Special Tyre Graphics Carved: Masculine stylish bracelet for men with triple wide links, make it a perfect choice for stylish wear. The bracelet for men can be matched with a variety of dressing styles for office, business occasions, outdoor sports, and other daily scenes.