24 Colors Filament: 24 different colors packages of 3d filament, 16 feet each color, total 384 feet, a reasonable length for your 3D projects.
PLA Material: High quality 1.75mm PLA material, nontoxic and no peculiar smell which is safe for kids or adults to use.
Eco-Friendly: PLA is a new type of biodegradable material made from starch raw materials proposed by renewable plant resources, incinerated PLA will never release toxic gases such as nitrides and sulfides.
Strong Compatibility: It can be used for most 1.75mm 3D Pens/3D Printers on market, various colors makes the 3d ballpoint pen more useful in crafts the product of your own choice.
12 Months Warranty: 3New Replacement or Refund without Return in 100 days. Quick customer service, answer and solve all your concerns about the product within 24 hours.