eSUN Matte Rainbow PLA Filament, Matte Multicolored 3D Printer PLA, 1KG Spool (2.2 LBS) Gradient Changing Multicolor Filament for 3D Printer, Matte Rainbow Multicolor

Founded in 2002, eSUN compounds polymer in-house and supplies raw material to a number of white-label brands. Their own catalog covers PLA through high-temperature engineering grades — one of the broadest material ranges from a single manufacturer.