HATCHBOX Performance PLA 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg Spool, 1.75 mm, Yellow 1 KG (approximately 2.20 lbs.) Spool 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.03mm) Performance PLA (Polylactic Acid) 3D Printer Filament Vacuumed Sealed With Desiccant Recommended Extrusion/Nozzle Temperature 180C - 220C (356F - 428F) Spool Diameter: 8" - Spool Width: 2.50" - Spool Hub Hole Diameter: 1.25"