Gold, Silver, Copper Metal Element Sample in Sealed 5ml Glass Ampules - The Complete 11th Column of the Periodic Table - Great for Collections, Displays, Education and Gifts Contains 24 karat gold leaf, pure silver leaf and pure copper leaf Vials are expertly melt-sealed, not crimped, for an attractive look Vial dimensions are 70mm long by 17mm in diameter, 5ml capacity Perfect for element collections, displays, educational purposes and gifts