3D Printing Pen Filament Refills - 1.75mm ABS Plastic 656 Linear Feet Pack of 20 Different Colors 32 feet each, Included 2 Glow in the Dark. Each Color in a Separate Vacuum sealed pack for easy use 656 LINEAR FEET OF MATERIAL: This package comes in 1.75mm ABS 20 individual color each 32 Feet long . With this amount of filament the sky is the limit and provides great variety and volume. HIGH QUALITY 3D FILAMENTS - Premium and highest quality materials used to make the best vibrant color selection. UNIVERSAL Compatibility: Our Filament to be very useful in designing with the 3D pen because of the great array of colors. It works with most well-known 3D pens and printers among the 3D printing community. ABS (Acylonitrile Butadiene Styrene): Performs a better flowability when melting and resists corrosion and abrasion. These qualities combined make it an ideal material for injection mold and extrusion. ABS filament owns rigidity and shiny surface; high toughness and impact strength EASY TO USE: Each Color filaments Packed in a Separate Plastic Vacuum bag that makes Easy to Find Different color Filament