Set of 4 Solid Copper Canister Set with Lid | 100% Copper Kitchen Storage Box| Copper Spice Jar Container (2 x 750 ml & 2 x 450 ml) PRODUCT MEASUREMENT Volume: 1000 ml Width (inch) 3.5 Height (inch) 3.5 MATERIALS USED All pure copper. Inner surface coating with tin. It is suitable for contact with foods and beverages. IMPORTANT: Tin plating applied interior surface of this product in order to you can safely use it when it is in contact with food. HISTORY OF THE COPPER IN ANATOLIA (Kahramanmaras / Turkey) We understand from the numerous works that have survived until today that there were advanced metalwork workshops working on various techniques in Anatolia during the Roman and Byzantine periods.