The Fiberon PET-CF Filament in Black by Polymaker is a high-quality 3D printer consumable designed for stable and stiff prints. This 1.75mm diameter filament comes in a 500g spool and is made of PETG material. With excellent stability and stiffness, this filament is perfect for creating strong and durable 3D prints. The new packaging size of 0.5kg makes it easy to store and use for all your 3D printing needs. Made in China, this black filament is a reliable choice for professional and hobbyist 3D printers alike. No returns acceptable sold as is. Any questions just ask. thank you!