Filabot Filaflex, 1.75-mm Diameter, 1-lb. Spool, Gold Filaflex is an elastic filament that creates flexible printed parts Print temperature ranges from 220 to 230 degrees C (428 to 446 degrees F) 1-lb. spool of 1.75-mm diameter filament Gold color For use with fused-filament 3D printers (sold separately)