Q3D Bronze Metal Powder PLA 1.75mm 0.5KG Spool ABS 3D Printer Filament Metallic, Satiny Filament Shipped in a Vacuum Sealed Bag with Dessicant 0.5KG Retail Box for Added Protection from Punctures 1.75mm Diameter with Incredibly High Tolerances of Plus or Minus .002" (.04mm) PLA is a Renewable Bio-Plastic Can be buffed to a high metallic sheen with steel wool and metal polish!