Hot selling 3D printer pen filament and 3D pen wire

Features:
The filament is for 3D printing pen used to melt plastic at a high temperature
Used to draw 3D objects from the paper to real life
Material: ABS,PLA
Diameter 1.75mm
Color: 20Pcs Mixed color
Package include: 20x ABS Print Filament
we choice the color by casual
NOTICE :if you didn't know you pen use what material ABS or PLA,please supply pen picture for me,i will teach you which material to use,if you know that your pen use what material,please choice yourself,if you choice wrongly, we won't be responsible for your mistake,tks very much for your cooperation in advance !