The 12oz Stainless Steel Travel Tumbler from the Alta™ Series by Thermos is the perfect size for your morning wake up call. Sometimes life comes at you fast. That’s why we designed this Alta™ Series by Thermos product to be the ultimate combination of quality temp insulation, contemporary style and daily reliability that makes short work of any to-do list. Compatible with most single serve brewing machines, making this tumbler convenient for those busy mornings. Thermos™ vacuum insulation technology keeps coffee and tea hot up to 3 hours. Cold drinks stay icy cold for up to 10 hours. A slide lock lid helps prevent spills and leaks. Made with minimal parts that are dishwasher safe and easy to clean. Just top it off and you’re ready to take on the day.