Designed for the Creator and Guider II Series 3D printers, the red 1.75mm Flexible Filament from FlashForge is environmentally friendly, with high toughness and resilience factors, despite its flexible nature. It features strong adhesion between layers, moisture resistance, temperature resistance of up to 212°F, and a longer shelf life. Built with a 1.75mm diameter, this filament operates at print speeds ranging from 30 to 60mm/s and printing temperatures of 374 to 446°F.