The Amolen Silk PLA 3D Printer Filament Bundle features shiny dual color filament in 1.75mm diameter, perfect for creating vibrant and detailed prints. With 28.22 ounces of filament included in this pack, you'll have plenty to last for a while. Made from high-quality Polylactic Acid (PLA), this filament is easy to work with and produces beautiful results. Compatible with various 3D printer models, this bundle is a must-have for any 3D printing enthusiast looking to add a pop of color to their creations. Colors are Blu/Green, Red/Blue, Red/Green and Red/Gold