Important NoteIn order to get better glitter surface and avoid potential clog issue, we recommend to use 0.6mm nozzle and >0.2mm layer thickness. Its more suitable for the model without often retraction setting to avoid stringing, or slicing setting skills is necessary.this pack only include one glow in dark filament. Multi color PLA Filament Bundle For your chooseYOUSU Filament Bundle Included Giltter Galaxy Black color,Chameleon Blue Color, Glow in the Dark Green Starry ,Glitter Gold color, Each Spool is 0.25kg, Very Suitable to Print Multi-Colored 3d Print Objects, It's Great Sample and Gift Pack for 3D Printing. Glow in Dark green StarryThis Glow in dark pla green starry will have different glow result with different light source,Bright light or ultraviolet light will make the PLA filament or the printed model has a more bright light; It is suitable for fast printing and printing large-sized models, printed products have flat and smooth surfaces. Good Laye