22 Colors PCL 3D Pen Filament Refill for 3Doodler Start+ 3D Pen, Low Print Temperature Filament Only Fit for 3Doodler Start 3D P

Only Support for 3Doodler Start + 3D Pen: This PCL Filament Refill Strand Pack Only Support For 3Doodler Start 3D Printing Pen; The Filament Diameter is around 2.5mm, Its Not Support For Any Other Brand 3D Pen, Its Only Support for 3Doodler Start 3D Pen | Perfectly Safer and Healthier Material: This PCL Material is Low Printing Temperature, Which Much Safe and Environmental Friendly Material, Its Non-Toxic, No-Smell, Low Printing Temperature around 158