JAYO 3D Printer Filament 7.7kg, PETG Filament and Silk Filament Fit Most FDM 3D Printers,1.1kg per Spool, Pack of 7, PETG (Black*2, White*2, Gray*2)+Silk Gold

Multi-pack bundles are the point — buying 4 or 10 spools at once brings the per-kg cost down sharply compared to individual purchases. Good for anyone running the same color through a lot of prints and watching their material budget.