Product Features1.75mm 12 different kinds of color ABS regular plastic filaments、 plus 3 glowing luminous filaments、 in deferent assorted rainbow colors. Guaranteed best melting results、 smooth melting flow in fine texture.Made and processed based on many types of ABS 3D printing pen to insure suitability and quality.Measured of 16 feets long each filaments color、 which is longer than the other filaments brand.Best suitable for all kinds of 3D ABS printing pen、 plus it comes with easy carrying case pouch.