SUNLU PLA+2.0 3D Printer Filament 4KG, Upgrade PLA+ Filament, Tougher and Stronger, Dimensional Accuracy +/-, 1KG per Spool, 4KG Total, White+Red+Green+Yellow

Well-known as much for their S1/S2 filament dryers as for the filament itself. The material catalog — PLA, PETG, ABS, TPU, silk — is broad and frequently discounted on Amazon. Solid all-around option.