1 kg (2.20 lbs) PLA Filament Vacuumed Sealed With Desiccant 1.75mm Diameter (Dimensional Accuracy +/- 0.03mm), The temperature range for this Filament Refills is 220-250 °C (428°F-482°F), Best temperature 235°C(455°F). Printing temperature: 190-220 °C (374°F-428°F), Best temperature 195°C(383°F)