Sterinova is widely used by parents to sterilise milk bottles, baby toys etc. to remove bacteria or viruses. You can also use Sterinova to disinfect against COVID19 with different concentration. Just drop 3 tablets into 1 litre of spray bottle with water. Approved by EPA and recommended for disinfect against viruses, HFMD. Cheap and good products to put into luggage bags whenever you go overseas. No need to bring kettle or steamer along to disinfect milk bottles.