【Clog-Free & Bubble-Free】Designed and manufactured with clog-free patent to guarantee a smooth and stable printing experience with these PLA refills. Complete drying for 24 hours before packaging and vacuum sealed with desiccants in PC bag | 【Less-tangle and Easy to Use】Full mechanical winding and strict manual examination, to make sure the line tidy and less-tangle, so as to avoid possible snap and line breaking; 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 + / - .02 mm; 1 kg spool (2.2lbs) | 【Stronger Toughness】Ender Series Upgrade Filament, The Imported raw material upgrades with stronger toughness. It is not easy to break, meeting your demands for printing projects of functional parts with higher toughnes. | 【High Compatibility &100% Environmental Material】: Compatible with 99% FDM & FFF 3D printers (with heated beds) 3D Pen. Environmental protection, made from starch raw materials derived from renewable plant resources.

【Clog-Free & Bubble-Free】Designed and manufactured with clog-free patent to guarantee a smooth and stable printing experience with these PLA refills. Complete drying for 24 hours before packaging and vacuum sealed with desiccants in PC bag | 【Less-tangle and Easy to Use】Full mechanical winding and strict manual examination, to make sure the line tidy and less-tangle, so as to avoid possible snap and line breaking; 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 + / - .02 mm; 1 kg spool (2.2lbs) | 【Stronger Toughness】Ender Series Upgrade Filament, The Imported raw material upgrades with stronger toughness. It is not easy to break, meeting your demands for printing projects of functional parts with higher toughnes. | 【High Compatibility &100% Environmental Material】: Compatible with 99% FDM & FFF 3D printers (with heated beds) 3D Pen. Environmental protection, made from starch raw materials derived from renewable plant resources.

【Clog-Free & Bubble-Free】Designed and manufactured with clog-free patent to guarantee a smooth and stable printing experience with these PLA refills. Complete drying for 24 hours before packaging and vacuum sealed with desiccants in PC bag | 【Less-tangle and Easy to Use】Full mechanical winding and strict manual examination, to make sure the line tidy and less-tangle, so as to avoid possible snap and line breaking; 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 + / - .02 mm; 1 kg spool (2.2lbs) | 【Stronger Toughness】Ender Series Upgrade Filament, The Imported raw material upgrades with stronger toughness. It is not easy to break, meeting your demands for printing projects of functional parts with higher toughnes. | 【High Compatibility &100% Environmental Material】: Compatible with 99% FDM & FFF 3D printers (with heated beds) 3D Pen. Environmental protection, made from starch raw materials derived from renewable plant resources.