The Stainless Steel Filled PLA 3D Printer Filament by ProtoPlant is a high-quality material designed for 3D printing. Made with polylactic acid, this filament is infused with stainless steel particles, giving it a unique stainless steel color. With a diameter of 1.75mm and weighing 500 grams, this filament is perfect for creating strong and durable prints. Made in the United States, this product offers excellent quality and performance for all your 3D printing needs.