GIANTARM Shiny Silk Copper 3D Printer PLA Filament Toughness Enhanced with 1.75mm Dimensional Accuracy +/-0.03mm, 1080 Feet per Roll, Vacuum Packaging, for Most 3D FDM Printer - Walmart.com
ColorFabb copperFill Metal Filament - 1.75mm (0.75kg) | MatterHackers