The clear 1.75mm Dreamer Series ABS Filament (1.5 lb) from Flashforge is made with 1.5 lb of high quality ABS material and has a diameter of 1.75mm to help ensure smooth feeding and extrusion. All Flashforge filaments are tested to minimize the chance of jamming the extruders. This ABS filament is compatible with Flashforge 3D printers.