I received 2 of these for my Birthday, the one I am using is awesome, really does keep ice for over a day. Here is the general description… The Barbie x Stanley 40oz FlowState Quencher H2.0 Tumbler Limited Edition is a three-piece tumbler set designed for adults who want to stay hydrated in style. This tumbler features a solid pink color with Barbie branding, making it a fashionable choice for both hot and cold beverages. Made of stainless steel and with a 1 qt capacity, this tumbler comes with a straw and a lid that can be used for drinking. The tumbler is machine washable and keeps your drinks cold for up to 12 hours and hot for up to 8 hours, ensuring you have a refreshing beverage anytime.
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