Hand crafted copper bangle. This 3 piece (Russian) interlinked bangle is designed by Alan Myerson in Australia and ethically made by skilled artisans in Mexico. It features a battered texture. approximate diameter of inside measurement: 68mm approximate thickness: 3mm approximate weight: 32grams Copper was the first metal ever used by humans. Middle Eastern artisans of the 5th and 6th millennia B.C. fashioned this lustrous, orange-red element into: tools, utensils, weapons and jewellery. Copper is said to have many beneficial health properties, including the pain relief of arthritis. You can either let your copper jewellery tarnish and develop a beautiful aged patina with time or you can easily clean it to maintain its rose gold colour.