op-Notch Accuracy & Consistent】ELEGOO use advanced measurement procedures during manufacturing to guarantee all filament is 1.75 mm diameter, accuracy +/- 0.02 mm, ensuring consistency and precision in every print 【Perfect Winding for Better Result】Each spool of filament is neatly wound, which prevents tangles and feeding issues, giving out perfect printing results 【No Clogging & No Bubble】ELEGOO PLA Filament is manufactured in dry and dust-free environment and pack with vaccuumed sealed package, away from any dampness or air, no clogging and bubbling problems 【Fit for Most 3D Printer】Universal compatibility with all the common 1.75mm FDM 3D printers, such as Neptune 3 series, Neptune 4 series and more. If you use enclosed printer, please keep the door open when printing ELEGOO MATTE PLA Product Parameter Density: 1.31g/cm³ Melt index: 5-8(190℃/216kg)g/10minn Tensile strength: ≥ 42...