3D Universe Terrafilum PLA/TPE Filament (1.75mm, 1kg spools)
Amazon.com: eSUN Flexible TPE Filament 1.75mm, TPE-83A 3D Printer Filament, 1KG Spool 3D Printing Filament for 3D Printers, Black : Industrial & Scientific
Amazon.com: Msunlord TPE 3D Printer Filament, 95A TPE 1.75mm (Accuracy +/- 0.05mm) Flexible 3D Printing Filament, 0.95Kg Spool, Blue for 3D Printers or 3D Pens : Industrial & Scientific
Amazon.com: eSUN Flexible TPE Filament 1.75mm, TPE-83A 3D Printer Filament, 1KG Spool 3D Printing Filament for 3D Printers, Black : Industrial & Scientific