GOORY 3Pcs Pure Copper Sheet - 20 Gauge(0.81mm) Thickness 6" x 12" 99.9%+ Copper Plate - Double Sided Film Attached Thin Sheet Metal for Crafting, Jewelry, DIY, Repairs, Electrical, Industrial, Art - 6" x 12" - 20ga/0.03in/0.81mm【Thickness】 - 3