Black PRO Series TPU (Thermoplastic Polyurethane) - 1.75mm (1lb) | MatterHackers
QIDI TECH 3D Printer, X-Pro 3D Printer with WiFi Function, Dual Extruder, High Precision Double Color Printing with ABS,PLA,TPU Filament,9.1x5.9x5.9 Inch: Amazon.com: Industrial & Scientific