The Devil Design PLA 1.75 Glow in the Dark Blue 0.33 is a 3D printing filament made using poly-lactic acid (PLA) plastic and glow-in-the-dark pigment. It is a thermoplastic material with a diameter of 1.75mm. This filament is a dark blue color that glows in the dark when it is exposed to a light source. It has a recommended print temperature range of 200 to 235°C and a net weight of 330g. It is ideal for creating highly detailed and durable 3D models and parts.