Specifications:  Weight：1kg   Wire diameter：1.75mm Dimension Tolerance：±0.03mm  Nozzle Temperature:180~220℃ Platform Temperature:0~80℃ Cooling Fan:Turn on Layer thickness:0.1~0.2mm Printing Speed:40~60mm/s Travel Speed:60~120mm/s Print ambient temperature:room temperature ~45℃ PLA Filament is commonly used in 3D printing, has the following characteristics: 1. High strength, good toughness. 2. Density is small, when printing larger volume model lighter, save money. 3. Cost-effective, can be processed in wide range temperature. 4. PLA has low shrinkage rate, even print larger models perform well. 5. 1 kg /plastic spool packaging, can be automatic feed. 6. To be applied to a variety of 3D printer, Makerbot, UP plus, Mendel, Prusa, series, etc. 7. No Bubble.