1、Glow in the Dark: Glow in the dark after exposure to ultraviolet or sunlight, luminous PLA has been carefully formulated to maintain its processability and effectiveness, ensuring the best balance between brightness and duration. 2、Stable Performance: Excellent PLA filament has strong toughness, low shrinkage and better adhesion between layers to meet functional printing needs. 3、Highly Accurate: Perfect roundness and very precise diameter tolerances, PLA 3D printing filament is well wound, and has no overlaps or tangles, so feed is smooth and continuous and will not clog the die or extruder. 4、Main Functions: No warping, good adhesion, no bubbles, high success rate and high accuracy. Printed items can be used as decorative kits or for other fields. 5、Easy to Use: 3D printer filament bundle is designed to be easy to use, so you can use it easily, which is convenient and practical for you.