The XYZprinting PLA Filament for da Vinci 3D Pen is non-toxic & biodegradable because it was made from organic materials. It is safe for home use as well as for the environment. PLA filaments print at lower temperatures & maintain a glossy, translucent exterior that give your creations a unique finish. PLA material XYZprinting' s vividly coloured filament is engineered & tested to make sure that there is no distortion in the colour & form of the filament. The XYZprinting filament has been designed to be easy to install & replace. The da Vinci will also notify you when the filament is running low so you don't run out. Compatible Models: the XYZPrinting da Vinci 3D Pen Filament Diameter 1.75mm Contains: 1 x green plastic PLA 3d filament refills 1 x red plastic PLA 3d filament refills 1 x yellow plastic PLA 3d filament refills 1 x orange plastic PLA 3d filament refills 1 x clear plastic PLA 3d filament refills 1 x mint green plastic PLA 3d filament refills