These Copper Balls are made from solid Copper, created with intention of using the metaphysical properties of copper for grounding, mediation, energy and reiki healing. These Copper balls are hand machined from high grade copper bars. These balls come in 4 sizes approx. 1.1 Inch (28mm Weighs 4 Oz), 1.5 Inch (38mm, Weighs 9 Oz), 2 Inches (50mm, Weighs 1lb 5Oz) and 3 Inches (76mm Weighs 4lb 9 Oz) in diameter . They are NOT created by compacting or hammering copper scrap into balls. These balls are hand machined from Pure Copper Bars. Special attention is paid towards using high quality VIRGIN copper to provide the maximum metaphysical effect. Since these copper balls are handmade no two balls are alike. Each ball is treated as an individual piece of art and it has its own personality. As copper is a relatively soft metal, minor marks are visible that are inevitable during the manufacturing process. You have to hold them to feel the weight, brightness and get the grounding and energetic experience. Ideally one would hold one ball in each hand and sit down in a meditative position to experience grounding and deep meditation. "Bar Keeper's Friend" works beautifully to clean them without much effort. Drop them in your drinking water to charge it when you are not using for grounding. You can also use these copper balls as stress reducing balls by holding and rotating two of these balls in one hand. These copper balls are manufactured by us and carry the famous AMERICAN AYURVEDA LOGO for your assurance of authenticity and quality. As they are machined from solid copper Bars and they will not Chip, Flake or Fall Apart as long as you own them. Be prepared to be totally mesmerized by them as these are the best copper balls.