- High-quality PLA filament for 3D pens, model 3D-PEN-20C by Crossarctic - Pack of 20 assorted colors, each with 5 meters, totaling 100 meters - Standard diameter of 1.75 mm and tolerance of ±0.02 mm for precise and consistent results - Compatible with most 1.75 mm 3D pens such as MYNT3D, SCRIB3D, BubPen, Jandi, Gmoher, and LIHUACHEN 3D - Not suitable for 3 mm 3Doodler pens - Made of PLA (polylactic acid), eco-friendly material, bubble-free and clog-free - Smooth printing, vibrant colors, and professional finish - Recommended printing temperature between 180°C and 210°C - Safe for children, no emission of toxic fumes, and easy to handle - Perfect for crafts, educational projects, and creativity in 3D printing