18 Colors 9.8 feet Each Color: 18 various colors PLA filament to scribble your 3D artistic masterpiece idea.
1.75mm Filament: Please make sure your 3D pen or printer could use 1.75 mm diameter PLA filament refills. Compatible with most 3D printing pens and printers.
Non-toxic & Eco-Friendly, safer to kids: Environmental-friendly PCL material, no smell, premium grade material keeps printing smoothly.
Laser Controlled Technology: Laser controlled extrusion process to make extremely precise diameters. Dense, smooth, kink-free and reliable.
Vacuum Packing: Making sure that the filaments are stored in a good condition.