Thermos Alta Ss Tumbler Blue 12 Oz. From city streets to mountain trails this tumbler keeps drinks protected everywhere you go. Thermos vacuum insulation technology keeps coffee and tea hot up to 3 hours. Cold drinks stay icy 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 youre ready to take on the day. Specifications for Thermos Guardian Ss Tumbler 12 Oz: Manufacturer: Thermos Age Group: Adults Package Contents: Thermos Guardian Ss Tumbler 12 Oz