PLA Filament 1.75mm Rainbow Multicolor 3D Printing For Printer Pen 1.75mm 1kg,Multicolor 3D Printing For Printer Pen 1.75mm 1kg PLA Filament 1.75mm Rainbow, Ideal for indoor printing,Feel free to.1.75mm 1kg PLA Filament 1.75mm Rainbow Multicolor 3D Printing For Printer Pen.