... the lights, it glows green in dark! It's perfect for haunted houses, radioactive bunnies, or ceiling star constellationsCharacteristic 1.Filament ... guranteed.2kg/roll, 1kg/roll PLA filament 3mm/1.75mm glow-in-dark ,black,white, transparent, blue, red , yellow, green ... -matic , Ultimaker and so forth in assorted diameters since 2009. Esun glow-in-dark PVA PLA ABS filament welding rod for 3D printer