PLA FILAMENT SILK MULTICOLOR - Fast 5 colors change with blue, green, yellow, pink and purple , so you can get all colors in one object-about 200g. The color transition is natural and beautiful and the silk filament has excellent gloss. SMOOTHLY PRINTING - With greater toughness, 3d printer filament feeding will be smoother and will not break in the tube. The dimensional accuracy of the Rainbow PLA filament 1.75mm is +/-0.02mm, so that print will be smoother without jamming nozzles. EASY TO PRINT FOR BEGINNERS - High Purity Silk PLA filament with good viscosity between layers and no warping, 100% no bubble, less stringing filament, good shape, easy to remove support. HIGH PURITY PLA FILAMENT - Rainbow PLA raw material is made of corn starch and safe for kids. Perfectly 3d printing with 99% FDM 3d printer and 3d pen. PROFESSIONAL PACKAGE - Vacuumed sealed with high quality desiccant to keep the PLA filament dry and keep out dust. After using t