Specifications: Material: CopperThickness: 0.6mm/0.024"Panel Dimensions: 1000 x 30mm/39.4" x 1.18"(L x W)Features: Copper sheet demonstrates fully the electrical conductivity and corrosion resistance of the copper metal.Cutting with a professional cutting machine and safe to use. Widely used in DIY projects, hobbies, crafts, building decoration, industrial, conduction heat, and so on.Notice:1. The surface of the copper sheet is easy to be oxidized and it will have a little oxidation (not rustiness), but it does not affect the use. If you need a beautiful appearance, such as crafts, it is recommended to use fine sandpaper grinding2. It is not recommended to print and engrave words on the surface.