SUNLU High Speed Matte PLA Filament, Smooth PLA Matte 3D Printer Filament Bundle, 2kg in Total, 0.25kg Spool, 8 Packs, Black+White+Grey+Chocolate+Sky Blue+Olive Green+ Sunny Orange+Sakura Pink

Well-known as much for their S1/S2 filament dryers as for the filament itself. The material catalog — PLA, PETG, ABS, TPU, silk — is broad and frequently discounted on Amazon. Solid all-around option.