Hyper Speed: The SainSmart GT-3 TPU filament is designed to balance high printing speeds of up to 500mm/s with printing quality. 5 times faster than regular TPU filament. Durability: The filament is resistant to damage from sunlight and aging factors, which enhances its lifespan and keeps its performance intact. This makes it suitable for a variety of applications, especially those exposed to outdoor or harsh environments.