Colorful filaments for 3D printer pen, 20 filament refill pack with 3 glow in dark colors

Description

3D Printer Pen Filament Refills with 20 colours including three colours which could glow in the dark. The 1.75 mm PLA filaments are NONTOXIC and odourless printing plastics. PLA is a biodegradable thermoplastic derived from renewable resources.