【PLA Filament Bundle 4 Colors 】- Package come with 4 colors 200g/spool 3D Printer PLA filament bundles,color changing filament with green to yellow, blue to white, red to white,orange to white. It's fun to show the color change with temperature. | 【Color Change with Temperature】The PLA filament looks Green/Blue/Red/Orange under 33℃or after Refrigerating or put into ice water for 2-3min, above 33℃green starts getting to yellow, Blue/Red/Orange getting to white. It will return to Green/Blue/Red/Orange at room temperature in 10~15 seconds after getting Yellow/white from warm water, palm of hand, etc. | 【PREMIER MATERIAL & SMOOTHLY PRINT】- 3D Printer PLA Filament 1.75mm Color changing filament Raw materials are from USA, good performance. High quality color change PLA filament good shaping, no bubble, no jamming, no warping, no gloss,more detail and easy to print. Note: Please avoid long-time direct sunlight exposure. The longer the exposure time, the faster the color fade. | 【HIGH COMPATIBILITY】- AMOLEN Color Changing PLA Filament bundle is Perfectly compatible with most of the FDM 3D Printer, MakerBot, LulzBot, FlashForge, UP, Printrbot, Solidoodle, Reprap, Mendel, MakerGear, ANYCUBIC, Creality 3D, SUNLU, CC3D, MYNT3D, 3Doodler, 1.75mm pla filament consistent diameter, dimensional accuracy +/- 0.03mm. | 【Vacuum Bag & 100% After-sales Service】- PLA Filament Bundle use vacuum packaging with desiccant to keep it dry and keep out dust. A perfect storage condition. NOTE: Please pass the filament through the fixed hole to avoid tangles after use. Defective filament can be reissued or refunded fully. We provide professional 3D printing technical guidance and good 24/7 customer service.