This 3D printer wires is plastic material to the highest of standards with different colors. It is universal compatible with most 1.75mm 3D pens and printers. As a creative gift, it is full of love for youself, your children,friends and others, which you can use to DIY anything you like. Feature - Color: Orange, Red, Rose-Red, Green, Yellow - Material: plastic - Size: About 500x0.2x0.2cm. - Made of plastic, they are safe and practical - 1.75mm filament diameter for 3D printer. - It's consistency of round diameter leads to optimum flow through the nozzle. - More environmentally friendly,smell better and biodegradable. - Can be used for all types of 3D printing and is excellent for detailed and demanding applications. - A creative gift, it is full of love for youself, your children,friends and others, which you can use to DIY anything you like.