Are the regular 3D printer filament colors too monotonous? Better to try Glow in The Dark Filament,which appears white at day, but emits light at night. Making it perfect for creation needing low-key, rich and enigmatic appearance What is an excellent PLA filament for you? A filament that can glow in the dark? Odorless, Clog-Free, Bubble-Free & Easy-to-use? No odor and low warpage during printing? High toughness and excellent strength?How about something that combines the functionality of all of the above Safe to use and made of natural materialsreliable and durable. CE, RoHS certificated by authority,. The phosphorescent substance in PLA Filament absorbs light energy and emits light in the dark. In order to get better results, we recommend that the model be exposed to sunlight or UV light for 15 minutes You dont have to worry that it will be incompatible with your 3D printer 1.75 mm in diameter, dimensional accuracy +/- 0.03 mm. It works perfectly with most FDM 3d print