9.9% Pure Copper-it is made from solid pure copper in every single link (minus the clasp). Do not fade when using,very resistant to water and does not corrode , Wear easy-8.25 inch Long and 0.47" wide. With Free Size Adjusting Tool (2 extra pins inside the bottom). Allowing you effortlessly to adjust the bracelet to your requirements at home, also comes with a velvet gift box and a cleaning cloth , ELEGANT & CONVENIENT - Beautiful gift box make a great present for most any occasion. A great birthday gift, Christmas gift, Anniversary gift, Mother's Day gift, Father's Day gift or Valentine's day gift , QUALITY AND CUSTOMER SATISFACTION GUARANTEE - We love our customers! If for any reason you're unhappy with our award winning Bracelet, we'll provide a full refund