Zortrax Z-FLEX 3D Printer Filament - 800g Spool - 1.75mm
NinjaTek Cheetah Flexible 3D Printer Filament - 1.75mm Diameter - 500g Spool
Polymaker PolyFlex™ TPU95 Flexible 3D Printer Filament - 1.75mm Diameter - 750g Spool
PRO Series TPU (Thermoplastic Polyurethane) - 1.75mm (1lb)
