What to do: Soak the coffee-stained cup in a mixture of white vinegar and water for a few hours. After, scrub the stains with ...

Whether you bring home a souvenir mug from every trip, are the "World's Best Boss" or an "A+ Teacher" ten times over, or are ...

Others travel coffee mugs we tested Gareen Puglia/CNN Underscored. Owala 20-Ounce SmoothSip. Owala. The Owala SmoothSip is made for sipping coffee in style.