kexcelled Glass Fiber PETG GF Filament Neon Yellow,Matte PETG GF 3D Printer Filament 1KG,High Impact and Reduced Material Shrinkage, Fit Most FDM Printer

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.