1,Dual Color: This 3D printer filament is featured with dual color design, which integrates silk green with silk blue, color changing material allows you to create amazing visual effects in your prints. 2,Beginner Friendly: This PLA filament is professionals and beginner friendly, perfect for art, crafts and DIY special 3D printing projects at home, laboratory, studio or school. 3,Smoothing Operation: This 1.75mm PLA filament adopts 1.75mm diameter, there is no need to worry about clogging. Larger 3D printing scroll inner diameter design allows for smoother feeding without clogging the nozzle or extruder. 4,Recommended Settings: We recommend printing the PLA filament at nozzle temperature of 200 to 220℃. Full mechanical winding and strict manual examination prevents possible snap and line breaking. 5,Premium PLA: This 3D printer filament is made from premium PLA material, which ensures smoothing and stable printing experience. Perfect first layer adhesion reduces warping, shrinkage, crimping and printing failures. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.