PLA Filament PLA 3D Printer Filament(Refill),10kg Refill for Reusable Spools(22lbs), Black+White+Ash Grey+Red+Yellow+Dark Blue+Green+Purple+Orange+Pink

Bambu spools carry an RFID chip that the AMS reads for automatic material settings — buy these if you want zero-fuss multi-color on a Bambu printer. Dimensional tolerance is held to ±0.02 mm; refill spools are available if you want to cut plastic waste.