Keep your adventure going longer with the Rambler 30 oz. Travel Mug. YETI's biggest travel mug yet seamlessly fits in your car's cupholder, but still carries. enough fuel for the above-average caffeine drinker. It also provides a trip-proof grip thanks to its elevated handle, while its leak-resistant Stronghold Lid easily rotates to fasten for both right- and left-handed users. And since both this travel mug and its lid are dishwasher safe, your time is always spent on the go.