1. Compatible with all 3D pens that use 1.75mm ( 0.07 inch ) ABS filament, each color length 10 meters (32.5feet) 12 rolls normal 12 color +2 rolls of luminious filaments, blue glow and green glow in dark, total 140 meters (455 feet)
2. ABS filament, 12 colors are Black,White, Red,Orange Yellow,Green, Dark Green, Blue, Purple, Grey, Pink, Golden, + another luminious filaments Glow green and Glow blue in dark
3. It is compatible for most of 3D Printing Pen or 3D drawing Pen.
4. High impact strength, chemical stability, good electrical properties.
5. Low density, the printing surface is smooth, moist and high compatibility with post-treatment.