... light source and then turn out the lights, it glows green in dark! It's perfect for haunted houses, radioactive bunnies, or ... low melting strength, easily shape when printing, shining surface, bright color;4. PLA filament has small shrinkage even when printing ... PLA filament 3mm/1.75mm glow-in-dark ,black,white, transparent, blue, red , yellow, green,orange,pink,yasmine green,silver, grey, light blue. ...