Our PLA Glow Contains phosphorescent materials that glow in the dark after absorbing light energy. Enjoy different printing fun with Glow PLA. To enhance the glowing effect, we recommend you to expose your print to full sunlight or UV light for a period of time. Duramic 3D promises no tangles, no bubbles and no clogs due to its rigid manufacturing quality control. Give us a chance to prove were your future go-to filament with its smooth extrusion and stable printing performance.