AKOAK Environmental Protection Material 3D Pen/3D Printer Filament,1.75mm Low Temperature PCL Filament Refills,Pack of 5(Black,White,Silver,Grey,Nude),16.4 Feet Each Color
- PCL is a environmental material,biodegradable,non-toxic, no smell, safe for kids.
- PCL filament with a low melting point at only 140°F,far lower than ABS or PLA material,this is a big increase in safety for children.
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