15 Bright Colors 1.75mm 3D Pen Silk PLA Filament Refill, Each Color 4m, Total…
Widely Compatibility: Universal Support For Various 3D Pens/3D Printers on market, While Not Fit for 3.0mm 3Doodler Pen, Perfectly For Silk PLA Sample Color Testing, To Print Many Different Colors 3D Print Projects.
