K12SchoolSupplies.net and AllPosters.com sell hand washing posters for classrooms.K12SchoolSupplies.net has a five-step chart measuring 17 by 22 inches. AllPosters.com has a laminated six-step hand washing graphic measuring 11 by 17 inches. CDC.gov has free, downloadable hand washing posters.
When you touch your nose, mouth or eyes and then touch objects such as doorknobs or phones, germs transfer to the object. When other people touch the object and then touch their nose, eyes or mouth, they can contract viral and bacterial illnesses. Frequent hand washing helps prevent the transmission of germs and contagious illnesses, such as the stomach flu and colds.