ANYCUBIC Silk Dual Color Pla Filament, 2-in-1 Chrome Coextrusion Color Change 3D Printer Filament Dimensional Accuracy +/-, Silk Texture, 1KG Reusable Spool (2.2 lbs), Red Blue

A hardware brand first — Anycubic made its name on printers like the Photon and Kobra before building out a proper filament catalog. PLA, PETG, ABS, ASA, and a high-speed variant are all covered, priced at the low end of the market. Big direct store with Amazon stock too.