【High-Quality PLA Filaments】Made of high-quality PLA, a commonly used thermoplastic material features lower melting temperature and ease of use, low warp and shrinkage, odorless during printing, and provides a glossy surface finish. 【Dimensional Accuracy & Consistency】 Strict tolerances guarantee these PLA filaments of 1.75 mm diameter much smoother and more stable printing with the dimensional accuracy of +/- 0.02 mm, 1 kg spool (2.2lbs). 【Less-tangle and Easy to Use】Full mechanical winding and strict manual examination to ensure that the line is neatly arranged and less tangled, and to avoid possible snap and line breaking.【Clog-Free & Bubble-Free】Designed and manufactured with superb layer bonding and great fluidity for smooth and stable extrusion.