The Rambler Tumbler (591 ml) from YETI is ideal to take on a trip for a cup of hot coffee when it's time for a short break to get something hot to drink due to its size. The tumbler keeps the contents warm and fits into your cup holder in the car or in the backpack. The tumbler is made with a double-wall vacuum insulation, which keeps the contents hot or cold throughout the trip, regardless of whether it is a long walk, drive or at work. The Rambler Tumbler (591 ml) from YETI comes with a MagSlider Lid, which makes it easy to drink from it without spilling.