Description Plastic filament excellent impact strength, abrasion performance, chemical resistance and dyeability. It can easy to move the supporting material. The 3D pen filament is safe, low shrinkage. Good for children creation. Features -Color:Random.-Material:Plastic.-Size: About300.00X0.17X0.17cm/117.90X0.07X0.07in.- Delivers smooth prints with a glossy finish, extremely high success rate.-It compatible for almost all 3d printing pens in the market, which is portable for you to use.-The outstanding performance enables you to make a completely different world through your creative skills.-Bright color 3D printing filament can attract kid's attention, reasonably stimulate the development of eyes and brain, and develop the three-dimensional space of your baby.-Professional filament refills not just for children playing. It peel off the paper easily and will keep your craft art work for a long time without fading.Packing list: 30 x 3D Pen Refilled Filaments