Quality Assurance : Comes with Pack of 32 -Filament( Black, White, Blue, Yellow, Golden Brown, Green, Orange, Grey, Purple, Silver, etc.), 5 Meters each, Total 160 Meters in length. It helps you a lot to draw all of Colourful Items as you wish,100% bubble free and Environmental friendly non toxic material.
High Precision: Within +- 0.03mm wire diameter tolerance stability control, the source to ensure a uniform, print more accurate real.
Melting point and Stable : Strict production process, guarantee the stability of any piece of material melting point, smooth out the silk Yin.
High Purity Materials: Made of high quality material, high purity and mixed waste, recycling materials, ensure the quality of materials, stable and high output.
Usage: Premium quality filament refill compatible with multiple 3D pens used by kids, model makers, educators, hobbyists and adults.