SUNLU Easy PA Filament 1.75mm 1KG, Nylon 6+66 3D Printer Filament, Polyamide (PA) Nylon Filament, Strong and Durable, Warp-Free Printing, PC Spool, Fit Most FDM Printer, 1KG Spool(2.2lbs), Black - 1kg Easy Nylon Black - Easy PA