TechOrbits 3D PLA-1KG1.75-Silver PLA 3D Printer Filament, Dimensional Accuracy +/- 0.05 mm, 1 kg Spool, 1.75 mm, Silver PLA 3D PRINTER FILAMENT: 2.2LBS/1KG Dimensional Accuracy of +/- 0.05mm. Compatible most 3D printers and pens. PLA, a plant-based environement friendly type of plastic, is shinier and smoother than most filaments. RECOMMENDED TEMPERATURES: Heating Bed Temperature is from 50 to 60C. Extrusion/Nozzle Temperature for the PLA filament is from 185 to 205C. PLA has a sweet smell when burning and doesn't produce harmul fumes during printing. DURABLITY & LONGEVITY: TechOrbits 3D printing filament is VACUUM SEALED to prevent your filament from absorbing water from the air. Unsealed filament can result in bad print quality, higher nozzle temperature requirements as well as broken filament. MONTHLY GIVEAWAY FOR SPECIAL CREATIONS: Submit photos of what you create using our filament for a chance to win a FREE filament refill and have your work featured on our website and social media accounts WHAT YOU GET: TechOrbits 3D PLA Filament 2.2 LBS/1KG Silver + TechOrbits unparalleled customer service