Key Features: Smooth Rainbow Gradient Effect: Continuous color transitions create vibrant, flowing rainbow effects throughout the print, making each model visually unique without manual filament changes. Durable PETG Material: Combines excellent layer adhesion, strong impact resistance, and improved heat and chemical resistance compared to PLA. Stable Extrusion & Consistent Printing: Precisely controlled 1.75mm diameter ensures smooth feeding, reduced stringing, and reliable performance across the entire spool. Applications Decorative & Functional Prints: Ideal for decorative models, toys, display pieces, containers, and functional parts where durability and visual appeal are both important. Wide Compatibility: Compatible with most 1.75mm FDM 3D printers, suitable for home, educational, and professional use.