"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all know that reusable cups and straws are the way to go. The tough part, however, is making sure that ...

We all know that reusable cups and straws are the way to go. The tough part, however, is making sure that what we're drinking out of is actually clean. Even though most popular tumblers are dishwasher ...