[Fast Color Change Silk PLA]- The ZIRO "Earth Tone" combined multi-colors in one shiny PLA base. Higher-cost production technology to achieve the faster color changing aim. The silky surface offers a shiny, glossy look, giving your 3D works a luxury style.(Color changing speed please reference our model weight mark in picture) [Hight Quality PLA]- ZIRO PLA filament is made of premium raw material with excellent printability: good ductility, higher strength, no odor, no warp, clog-free, and bubble-free. Completely drying for 24hrs before vacuum seal. Allowing 3D printing enthusiasts to create amazing works much easier. [1.75MM Filament Accuracy ]- Advanced CCD diameter measuring control the dimensional accuracy of the PLA is +/- 0.03mm. The strict tolerance guarantees that ZIRO filament printing is easier and more stable. Suggested printing settings, nozzle: 190-220C, bed: 50-60C, speed: 30-90 mm/s. [Fits For Most FDM Printers]- ZIRO 3D printing filament works perfectly