The product is a genuine HP 312A CF440AM toner print cartridge tri-pack in cyan, yellow, and magenta colors. It is compatible with HP LaserJet MFP M476 and HP LaserJet Pro MFP M476 printers. Made in Japan, this original HP product ensures high-quality printing with laser print technology. The California Prop 65 warning indicates that the product may contain chemicals known to the state of California to cause cancer or birth defects. This tri-pack toner cartridge set is a reliable choice for producing vibrant and professional prints with your HP printer. Any questions please contact us.