【PLA+ Filament Advantages】--- PLA+ 3D Printer Filament is improved and upgraded based on PLA filament,good adhesion performance ,high strength and better toughness.Clog/Bubble/Tangle/Warping/Stringing free, high durability, better layer adhesion.iBOSS filaments are made with virgin materials, no pollution, non-toxic and no odor during the printing.【Dimensional Accuracy & Consistency】--- iBOSS 3D Printer PLA Plus filament of 1.75mm diameter, Minimum tolerance and low warping to ensure consistent feeding and stable prints.Dimensional accuracy + / - 0.02 mm ; 1 kg spool (2.2lbs), which making filament that have an outstanding surface finish and are highly precise.【Tangle Free & Bubble-Free & Clog-Free】--- Our 3D Printing Filaments are easy-to-use.Total Length: 340-350m.Recommended Print Temperature:210-230℃.Melt well, feed smoothly and constantly without clogging the nozzle or extruder.Full mechanical winding and strict manual examination,to make sure the line tidy and no-tangle.【Vacuumed Sealed Packaging】--- Net Weight: 1KG. iBOSS PLA+ filament comes in a sealed vacuum bag with a desiccant bag to keep it dry and keep out dust and foreign particles, prevent nozzle jams and yield smooth 3D models.【Wide Compatibility】--- Compatible with most of FDM 3D Printers that use 1.75MM filament, Such as: Prusa, Reprap, Afinia, MakerBot, PrintrBot, UltiMaker, Airwolf, Aleph Objects, Makergear, Up, Lulzbot, Simplify3D, Flashforge, etc.