Stronghero3D Printer PETG Filament 1.75mm Transparent Clear -1kg Spool (2.2 lbs) Diameter Tolerance +/- 0.05 mm Much better clear than others, 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.05mm).So that it can be printed up to about 60mm / s. 1kg/Spool,Vacuumed Sealed With Desiccant inside,then in small box. Recommended Printing Temperature: 230-250C(446-482). 1.75mm Filament Diameter (Dimensional Accuracy +/- 0.05mm). Strong layer adhesion Hardly shrinking 0.2-0.5%, barely warping Tough and break resistant: Strength 105R,Slight gloss in finish,Resistant to acids and alkalis and Does not absorb water. We make each roll and each point been inspection qualify,hard quality control