Smartbuy 1.75mm Yellow PLA 3D Printer Filament - 1kg Spool/Roll (2.2 lbs) - Dimensional Accuracy +/- 0.05mm 1 KG (approximately 2.20 lbs) Per Spool/Roll 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.05mm) PLA (Polylactic Acid) 3D Printer Filament Vacuumed Sealed With Desiccant Recommended Melting Temperature 160 'C - 200 'C and Baseboard Temperature 60 'C - 70 'C Spool Diameter: 7.05" - Spool Depth: 3" - Hub Diameter: 2.9" - Hub Hole Diameter: 1.45"