JAYO 3D Printer Filament 3.1kg, High Speed PLA Filament and PLA+ Filament Fit Most FDM 3D Printers, Pack of 9, High Speed PLA (Black, White, Blue, Red, Pink, Orange, Yellow, Olive Green)+PLA+ Black

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.