Great Sample Pack for 3D Pen and 3D Printer: Include 25 Unique Popular Silk Shiny Colors, Each Color 4 Meters Length, Perfectly For Silk PLA Sample Color Testing, Great Suitable for 3D Pen Drawing Arts, Crafts, DIY, To Print Many Different Colors 3D Print Projects 25 Most Popular Silk Shiny Colors: 10 Silk Metal Colors: Silk Bronze, Silk Copper, Silk Silver, Silk Gold, Silk Gun-Metal, Silk Green Gold, Silk Coffee-Gold, Silk Rose Gold, Silk Champagne Gold, Silk Black Gold 15 Silk Bright Colors: Silk White, Silk Lime Green, Silk Green, Silk Red, Silk Rose Red, Silk Sapphire Blue, Silk Peacock Blue, Silk Cyan, Silk Salmon Pink, Silk Yellow, Silk Orange, Silk Salmon Orange, Silk Pink, Silk Purple, Silk Violet Purple Premium Quality, Easy to Print: Widely Compatibility for FDM 3D Printers and 3D Pen, 1.75mm High Diameter Tolerance, No Edge Warping, Consistent Feeding, Stable Print, No clogging, Eco-friendly, Ideal for Indoor Printing 3D Printer Test Printing Tips: Recommend Hea