Features: Clog-free; Bubble-Free: Designed and Manufactured with Clog-Free patent to guarantee a smooth and stable printing experience. Complete drying for 24 hours before vacuum aluminum foil packaging, which can effectively protect the PETG filament from moisture. As the PETG material is sensitive to moisture, please remember to put it back into the re-sealable aluminum foil bag timely after using to maintain excellent printing result. Lesstangle and Easy to Use:  Full mechanical winding and strict manual examination, which guarantee the PETG filaments tidy and easy to be fed; Larger spool inner diameter design makes feeding smoother. Dimensional Accuracy; Consistency: advanced CCD diameter measuring and self-adaptive control system in the manufacturing guarantee these PLA filaments of 1.75 mm diameter, dimensional accuracy + / -.05 mm; 1 kg spool (2.2lbs). Cost-effective and Wide Compatibility: With over 8 years’ 3D filaments R; D experience, thousands tons of filaments output every month, Overture is capable of manufacturing all kinds of filaments in large scale with premium quality, which contribute to Overture filament cost-effective and reliable for most common 3D printers, such as MK3, Ender 3, Monoprice FlashForge and more. Package Included: 1 x 3D Printer PTEG Filament