Features: 1KG/2.2lb filament net weight, 1.75mm filament diameter.(Tolerance: 0.03mm). Package includes 2 rolls of filament. Recommended printing temperature is 190-230 (374-446), no warping, no bubbles, higher quality print effect. Made of environmentally friendly PLA material, the printed model is low shrinkage and easy to print without warping. High-purity and impurity-free raw materials, the good fluidity, enables the filament to be extruded evenly and smoothly during printing. No clogging to the nozzle, and improving the printing success rate. Specification: Name: Ender-PLA Filament Pack: Black+black, Black+White,White+White (Optional) Density: 1.25g/cm Tensile Strength: 34MPa Bending Strength: 77MPa Impact Strength: 7J/m Recommend Printing Temperature: 190-230 Recommend Hotbed Temperature: no heating -60 Recommend Print Speed: 40-80mm/s Recommend Fan Speed: 100% Certification: ROHS,REACH,MSDS Filament Diameter: 1.750.03mm Product Net Weight: 1Kg/2.21b Recommend Print Surface: Carborundum glass platform, PEl platform, Crepe tape, PVP glue Package Size: 210x210x140mm Package Weight: 2580g/5.68lb Packing List: 2 x Ender-PLA Filament Spool