About this item 1 KG (approximately 2.20 lbs) Spool 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.03mm) PLA (Polylactic Acid) 3D Printer Filament Vacuumed Sealed With Desiccant Recommended Extrusion/Nozzle Temperature 180°C - 210°C (356°F - 410°F) Spool Diameter: 8" - Spool Width: 2.50" - Spool Hub Hole Diameter: 1.25"