kexcelled PLA Filament, Bone White PLA 3D Printer Filament 1kg Spool (2.2lbs), 3D Printing Filament Dimensional Accuracy +/-, Compatible with Most FDM Printers

Amazon-only with a wide SKU list: PLA through TPU, including silk and specialty variants. Prices sit at the low end; quality is consistent enough for general use.