3D Pen Refill Filament Refills with HD Diameter 1.75mm Made of high quality Polycaprolactone (PCL) material that is safe, non-toxic, odorless, smokeless and environmentally friendly You will not suffer from jamming, nozzle blockage or discolouration, you will get filaments that run smoothly in every Once.

Features of threads

UPGRADED TECHNOLOGY: Never worry about nozzle clogging or discoloration, you will get 3D pen filament that runs smoothly every time with no oily residue or breakage and no need to worry about shrinkage when cooling, it can produce vivid lines and colors.

This 3D string replacement kit comes with 5 beautiful colors, giving you more options when creating your masterpiece.

GREAT GIFT: Great gift sets for art lovers so they can draw and make crafts, and for children to build and develop their hands-on skills.

The product has a two-year warranty