YETI Rambler 10 Oz Tumbler is a white thermos mug with a capacity of 296 ml of hot or cold beverage. The double-sided stainless steel walls create a vacuum that insulates and keeps the drink at a cool temperature for several hours. Whether you want to carry hot coffee or cold iced tea, it's easy to carry your beverage in this thermal mug. The MagSlider lid is spill-proof and ensures that the water does not spill out, for example during a car journey. However, be aware that the lid does not fully protect against spills. The Rambler 10 Oz Tumbler is easy to clean and can be washed in the dishwasher.