3 IN 1 BLACK+ PLA FILAMENT - Each line of this PLA filament is made up of three colors.Smooth and shiny finish like real silk, no extra polishing needed. 1/3 of each combination of magic PLA coextruded filaments, it creates a really unique look on your parts! Multicolor silk filaments can output with incredible pearlescent and gorgeous silk surface. This silk PLA filament has perfect first layer adhesion to reduce warpage, shrinkage, curl and print failure.1.75mm tri-color silk 3D printer PLA Filament is no bubble, strong layer adhesion make the printing parts stronger. Perfectly 3d printing with 99% FDM 3d printer and 3d pen.The diameter tolerance of this 1.75 PLA filament is +/- 0.02mm nstead of plastic spools, we use paper spool and paper box to package PLA filament. Protecting the environment is the responsibility of each of us. The PLA filament is vacuum packed with high quality desiccant to keep dry.