New color Burnt Titanium: FLASHFORGE chameleon series filament, a color-changing material responsive to different light and angles. This filament is composed of special pigments that can perfectly conceal layer lines, allowing you to create stunning visual effects in your 3D printed creations. High Strength and Transparency: PETG Pro excels at creating strong, smooth, and semi-transparent 3D printed objects, such as lampshades and display items. It also has excellent weather resistance, making it suitable for outdoor 3D advertising signs.