①【SUNLU PLA 3D Printer Filament】PLA material is the perfect choice for 3D printing enthusiasts! SUNLU PLA filament is reliable versatile and easy to use. No clogs bubbles or tangles its excellent layer adhesion ensures high-quality prints every time. Ideal for beginners and experienced users. ②【Neatly Wound 3D Filament Spool】SUNLU s self-developed neat winding device ensures that the filament is easy to use with a 100% neat rate that reduces the risk of tangles and jams and provides a smoother and more efficient 3D printing experience. ③【PLA Filament 1.75 mm】SUNLU 3D printer filament dimensional Accuracy +/- 0.02mm. SUNLU filament has wide compatibility due to the small diameter error making it suitable for almost all 1.75mm FDM 3D printers. ④【Filament Spool Diameter】Spool Diameter: 8.00 Spool Width: 2.50 Spool Hub Hole Diameter: 2.20 . The size of the SUNLU filament spool is suitable for hanging on a lot of FDM 3D printers. ⑤【PLA Recommend Settings】To achieve the best printing results with SUNLU PLA filament we recommend printing at a nozzle temperature of 200-230°C a bed temperature of 50-65°C and a printing speed of 50-100mm/s.