Silk PLA nozzle temperature range 195 - 225 C; filament diameter of 1.75 mm +/-.03 mm Silk PLA produces 3D prints with a high gloss finish which gives a shiny look and appears reflective The uniquely designed clear spool is see through so you can see how much filament material is left and comes with a resealable containment bag to protect filament in between uses Gizmo Dorks PLA is specially formulated and engineered to prevent jamming while being odor free, low warp, and a low melting temperature Spool dimensions are 195 mm x 63 mm with a 55 mm spindle diameter and wound neatly in a perfect wind that prevents jams