... and then turn out the lights, it glows green in dark! It's perfect for haunted houses, radioactive bunnies ... facility , which is under our own patent.The quality and the production capability are guranteed.2kg/roll, 1kg/roll ... tenacity and stable melting point,which is popular in the 3D printer like RepRap, Makerbot, Mendel, Huxley UP! Printers, ... -dark PVA PLA ABS filament welding rod for 3D printer