[STAR] Alchement - PLA Glow Series, 3D Filament, 1.75mm, 1kg (Glow-PLA-Blue) Glow series will shine in the dark. Please allow the filament or print to retain light or charge in regular light first. Currently available in two colors: Blue and Green Weight: 1 kg (2.2lbs) Roundness: 1.75mm (+/- 0.03mm)