Reusable Master PLA Filament 1. Environmental friendly, non-toxic, biodegradable; 2. Bright color; 3. Low shrinkage; 4. High strength and strong rigidity; 5. SUNLU 2KG PLA filament MasterSpool includes 2 reusable spool(MasterSpool) 6. SUNLU MasterSpool is reusable, it's compatible with many brands of 3D printing filament refills(spool-less filament), which is a good idea to reduce waste and cost. Suitable for all kinds of FDM3D printer, suitable for printing crafts, artwork and samples of industrial design, etc. parameter Wire diameter: 1.75mm Tolerance: ± 0.02MM Printing temperature: 200-230 ° C. Bottom plate temperature: glue water is required if it is not heated. No glue water is required for heating from 60-80 ° C Printing speed: 50-100 MM / s Net weight: 1 kg / roll.