✅ 【Silk Dual Color Filament】 - Blue and rose 2-in-1 Filament, every inch has has two colors. This gives your prints not only a smooth and shinny appearance, but also a unique color pattern and effect. | ✅【 High Compatibility & No Warp 】- Designed and Manufactured with Clog-Free patent to guarantee a smoother and more stable printing experience with Flashforge filaments. Our 3D Printer Filament is used with most of the FDM 3D printers. | ✅ 【Clog-Free, Bubble-Free & Easy to use】 - Complete drying for 24 hours before packaging and vacuum sealed with desiccants in a transparent bag, no bubble and easy to print. Full mechanical winding and strict manual examination, to make sure the line tidy and less-tangle, so as to avoid possible line breaking. | ✅ 【Dimensional Accuracy & Consistency】 - Advanced CCD diameter measuring and self-adaptive control system in the manufacturing guarantee these PLA filaments to be strict tolerances, diameter 1.75mm, dimensional Accuracy 99% Probability +/- 0.02 mm without any exaggeration; 1 kg spool (2.2lbs) | ✅ 【Risk-Free】 - All of our 3d printing filaments provide one month free return and exchange. Lifetime technical support and reliable 12-hour response service. At Flashforge, zero risk purchase is for every customer's smiles.