PLA Filament Technical Specification: Diameter: 1.75mm Tolerance: +/-0.03mm Print Temperature: 190-220℃ Hot bed Temp: 60-80℃ Recommended print speed: 30-80mm/s Net Weight: 1KG (2.2lbs) Length:Around 330m Note: Clean the nozzle before using The filament not run out and need seal in the dry environment Need match the temperature and speed for printer to avoid blocking and String