Bracelet from Jéh Jewels made with tubes of silver and oxidized silver with goldfilled balls in between. Ideal for matching. Material: 925 sterling silver Sterling silver is a white, highly reflective precious metal composed of 92.5% pure silver and 7.5% alloy, usually copper. Copper provides the silver with sufficient hardness and wearing qualities, as pure silver is sometimes considered too soft to be used and worn every day. Our silver jewelry is nickel free. Material: Oxidized silver: This piece of jewelry contains oxidized silver, this is a surface treatment. It is possible that the oxidized layer will fade over time due to wear. Material: Goldfilled Gold filled comes from America, where it is already used for the manufacture of jewelry with a "touch of gold" for an affordable price. The goldfilled remains on color, is durable and the 14k gold layer is thick enough to enjoy the warmth of gold for a long time. Gold filled is generally well tolerated by people who are allergic to metals other than gold.