SUNLU Silk Filament Mini Pack, Dual & Triple Color 3D Filament Bundle, Individually Vacuum Packed, Dual Color*3, Triple Color*5, 2kg in Total

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.