Quantity: 4 Pcs copper sheets Size: 6″ x 6″, 20 Gauge(0.8mm) Thickness Purity: 99.9%+, giving it a pure copper rating. No scratches, Double-sided film: Film attached on the double side of the copper sheet, which can protect the surface of copper to prevent scratches. It also prevents the surface from being oxidized. Great for Crafting, Modelers, Jewelry, Repairs, Electrical