【Shiny Silk PLA+ Rainbow Color 】 Smooth and shiny finish like real silk, no extra polishing needed, printing at a high detail results in a beautiful finish. AnKun high quality silk rainbow PLA+ filament brings arts & crafts and 3D projects smooth shiny silk-like surface which definitely gives an eye-popping result! 【Highest Dimensional Accuracy +/- 0.02 mm & Consistency】Compare to some other filament which has dimensional accuracy +/- 0.03mm or even +/- 0.05mm, AnKun tough PLA+ filaments have more strict tolerances. Diameter 1.75mm, dimensional accuracy +/- 0.02 mm without any exaggeration; 1 kg spool (2.2lbs). Minimum tolerance and low warping to ensure consistent feeding and stable prints. 【Clog-free & Bubble-Free】 Completely dried for 24 hours before packaging and vacuum sealed with desiccants in nylon re-bag, enable much smoother and more stable printing. Since the PLA+ filament is prone to moisture, please store it into a re-sealable aluminum foil bag after unsealing to maintain excellent printing performance. 【Less-tangle & Wide Compatibility】Full mechanical winding and strict manual examination, which guarantee the PLA+ filaments tidy and easy to be fed. Works perfectly with most FDM 3d printers and 3d Pen on the market. 【Premium Silk PLA+ Filament】 AnKun PLA+ 3D filament has the advantages of high purity with low shrinkage and superb layer bonding, meeting your demands for different printing projects. 100% made of environment-friendly natural materials, odorless and harmless to users and the environment.