glow in dark, asolutely round shape, accurate diameter(2 ... guranteed.2kg/roll, 1kg/roll PLA filament 3mm/1.75mm glow-in-dark ,black,white, transparent, blue, red , yellow ... , green,orange,pink,yasmine green,silver, grey, light blue. ABS filament3mm/1.75mm: black,white, natural, blue, ... and so forth in assorted diameters since 2009. Esun glow in dark PVA PLA ABS filament welding rod for 3D ...