HIFRESH 3D Pen Filament Refills (30Colors, Each 10ft, Total 300ft), PLA 3D Printing Filament 1.75mm, Not-Toxic, 3D Printing Pen;

Please make sure your pen use 1.75 mm diameter of 3d pen filament;
Place Glowing Colors Under the Light or Sunlight for 30 Minutes to Absorb Light.
  Specification:
  Material: 100% PLA;
Diameter: 1.75mm;
Color: 26 popular + 4 Glowing (Luminous) colors;
Roll length: 10ft (3M);
Total length: 300ft (90M);
Temperature Range: 340°F - 410°F (170°C - 210°C).
  PLA Filament is Non-Toxic and safer to kids. NOT COMPATIBLE WITH 3Doodler. It is a new type of
environmentally friendly biodegradable materials made from Organic plants. it has no
strange smell, smokeless and toxic free. It also printed product has a high gloss and will not /br/be easy to crack.
Please don't hesitate to contact us if you have any problems with the items.