Canning jars, or Mason jars, are extremely popular right now. They're also very cheap. "They can be used for so many things," notes Bethany Herwegh, whose blog, The Glamorous Housewife, is dedicated to being a housewife and hostess. She recommends using mason jars for vases, drinking glasses or candle holders. "You can even cook individual desserts in the small ones," she adds.