【5KG Large Spool for big project】- Spool Diameter: 300mm, Spool Width:148mm, Spool Hub Hole Diameter: 55mm. The size of the JAYO filament large spool is suitable for hanging on many 3D printers. Print large models without frequent filament change. 【JAYO 100% Wound Neatly Filament】- No knot, no winding, improve printing efficiency. 【1.75mm Diameter】- Dimensional Accuracy +/- 0.02mm. JAYO filament has wide compatibility due to the small diameter error, it's suitable for almost all 1.75mm FDM 3D printers. 【Strong compatibility】- JAYO 3D Filament is not only applicable to all JAYO 3D printing products: FDM 3D Printer, 3D Printer Accessories, Filament Dyer, but also applicable to almost all FDM 3D printers of other brands. For example: bambu/Ender 3/Ender 3V2, etc. 【Vacuum Packed】-JAYO 3D printer filaments are all vacuum sealed and come with a desiccant pack.