【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. 【Wide Compatibility】Universal compatibility with most of the common 1.75mm FDM 3D printers.