Amazon.com: SainSmart Orange to Yellow Color Change 95A TPU Filament 3D Printer Filament Color Changing with Temperature 1.75 mm 1Kg/ Spool : Industrial & Scientific
Amazon.com: ZIRO TPU Filament 1.75mm 3D Printer Filament, Shore 95A Hardness TPU, Flexible Soft Filament TPU, 0.8KG/1.8lbs Spool, Fit Most 3D FDM Printers, Black : Industrial & Scientific
Amazon.com: TPOIMNS TPU 3D Printer Filament, Flexible TPU Filament, 1kg Roll Spool (2.2 lbs), 1.75mm, Dimensional Accuracy +/- 0.03 mm, Black : Industrial & Scientific
Amazon.com: NAGA TPU Filament 1.75mm, Super Neat Flexible 3D Printer Filament, 1kg Roll Spool, Dimensional Accuracy +/- 0.03mm, 95A (1kg Balck TPU) : Industrial & Scientific