PETG FAST COLOR CHANGE- PETG filament 1.75 Multicolor Rainbow filament color change every 10 meters,our petg rainbow colors can to print a colorful object with these color Green, Blue,Yellow, Red, Purple at the same time, not only has an amazing appearance but also a smooth texture PREMIUM QUALITY- Good shaping, strong toughness, no bubble, no jamming, no warping, melt well, feed smoothly and constantly without clogging the nozzle or extruder. Amolen rainbow petg filament, which have premium quality, print Much More Smoothly HIGH COMPATIBILITY- Perfectly compatible with most of the FDM 3D Printer and 3D Pen, Comgrow Creality Ender, ANYCUBIC, Creality 3D, SUNLU, ERYONE, MYNT3D, 3Doodler VACUUM & REUSABLE BAG - Vacuum packaging with desiccant to keep it dry and keep out dust.The bag has a sealing strip,the petg filament multicolor can be put back into the bag after use and sealed for storage AMOLEN AFTER-SALES SERVICE - Amolen is focus on high quality 3D petg filament,