kexcelled Matte PLA Filament,Matte Mustard Yellow PLA 3D Printer Filament Bundle 1kg Reusable Spool(2.2lbs),Pack of 2, with +/- Accuracy,Upgraded Tangle-Free Winding for 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.