kexcelled Marble PLA Filament Brown, Stone PLA 3D Printer Filament, Granite Texture 1kg(2.2lbs),3D Printing Filament Dimensional Accuracy +/-,Fits for Most FDM 3D 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.