SUNLU 4KG Upgrade PLA+2.0 3D Printer Filament Bundle, PLA Plus 2.0 Filament 1.75mm, High Speed Printing, Stronger Than PLA+ Fila

? What is High Speed Filament  ? 500% more fluidity than PLA filament. ? 180% improved heat dissipation. ? 50% higher curing speed than normal PLA filament. Notes ? Please insert the filament into the side holes after use to avoid tangles. ? Feel free to message us if you have any questions about the filament. ? Please stored the 3D printer filament in a sealed bag or box after using it.