Dual-color Silk PLA Filament: Kretrum dual color 3D silk filament color change at different angles, smoothly color transitioning with shiny high-gloss surface and silk texture, this dualcolor filament will offe you a magic amazing 3D print object, suitable for printing decorations, artwork, gifts Premium Silk PLA 3D Printing Filament: This silk 3d filament pla made of high purity PLA with no bubbles, no clogging, no warping, lower shrinkage, lower warping, superb layer bonding and great fluidity for more smoother and more stable printing extrusion also the pla 3d printer filament meet FDA and RoHS standards Wide Compatibility: Standardized pla filament 1.75 mm diameter with a dimensional accuracy of +/- 0.02 mm, perfectly compatible with 99% FDM 3D Printer & 3D Pen, recommended Extrusion / Nozzle Temp 190 °C - 230 °C (210 will get better gloss) Cardboard Spool & Packaging: All PLA silk filament completely dried for 24 hours before packaging with vacuum sealed, both of the spoo