【Shiny Silk PLA】 Smooth and shiny finish like real silk, no extra polishing needed, printing at a high detail results in a beautiful finish. GIANTARM high quality silk PLA filament brings arts & crafts and 3D projects smooth shiny silk-like surface which definitely gives an eye-popping result! | 【Toughness Enhanced PLA Filaments】---GIANTARM Silk PLA filaments have the advantages of incredible toughness, unique printing quality, high purity with low shrinkage and superb layer bonding, meeting your personalized printing demands for functional parts. | 【Dimensional Accuracy & Consistency】- Advanced CCD diameter measuring and self-adaptive control system in the manufacturing to make these PLA filaments of 1.75 mm diameter, dimensional accuracy + / - 0.03 mm; 1 kg spool (2.2lbs),suitable for most FDM 3D prnter. | 【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. | 【Professional Packaging】--Vacuum packaging with desiccant to keep the 3D Printer filament dry and keep out dust and foreign particles. Weight: 1KG (2.2Ibs) Spool, Width: 2.5", Spool Diameter: 7.8", Spool Hub Hole Diameter: 2.30". please remember to put it back into the re-sealable bag timely after using to maintain excellent.