Zen Toolworks 3D Printer 1.75mm Flexible Black Filament 1kg (2.2lbs) Spool Zen Toolworks 3D Printer 1.75mm Black Flexible Filament 1kg (2.2lbs) Spool About 2.2 lb, (1 kg) Can be used with 3D printer nozzles that can accept 1.75 mm filament