If you are looking for a great travel mug, take a look at the Thermos Nissan Stainless Steel Leak Proof Travel Mug. My dad is a big coffee drinker and loves to have his cup of coffee on his way to work. The leak proof top is convenient for him to take his coffee anywhere. The rubber handle and grip is also great because my dad can drink his coffee while he drives. He can refill this travel mug at work and keep his beverage hot or cold. This mug has a capacity of 14 ounces which is a decent size to keep any coffee lover satisfied.