Tri-Colors Coextruded Filament-Different from the normal color change rainbow PLA filament, every inch of this magic 3d filament is made of three colors-Copper, Green, and Purple. Silk glossy smooth appearance, Perfect for Arts, Crafts, and DIY 3D print projects. | Premium Quality Filament-Our Silk Shiny Tri-colors PLA filament, the raw material comes from the US, and the surface of this tri-color 3d printing filament is very smooth and shiny. Good shaping, strong toughness, no bubble, no edge warping, melt well, no clogging the nozzle or extruder, eco-friendly, widely compatible with 99% FDM 3D Printer and 3D Pen. | Easy to Print-1.75 mm diameter, 1 Kg (2.2 lbs) net weight Silk PLA. Dimensional Tolerance: +/- 0.03mm. A more stable diameter tolerance of 3D printer filament would give you smoother 3D printing. Recommend Heat Bed 50-60°C. Recommend Printing Temperature 200-220°C. Printing Speed 40-70mm/s. The machine auto winded, to avoid being tangled, please insert the filament into the spool fixing holes to fix after every time use. | ECO Packaging-Instead of plastic spools, we use paper spools and paper boxes to package Silk PLA filament. The Rainbow PLA filament is vacuum packed with high-quality desiccant to keep it dry, dust-proof, and high-performance for a long time. | After-Sales Service-If you have any unsolvable problems, please feel free to contact us, our after-sales technical team will provide you with detailed solutions within 24 hours. Comgrow offers a refund or reissued if the silk PLA is defective.