Stays cold: THERMOS vacuum insulation technology keeps drinks cold in the tumbler for up to 24 hours; No matter what unexpected adventures you encounter, with our insulated water bottle, at least one thing can stay just the way you like it Cup holder friendly: This insulated tumbler is great for on-the-go and fits in most standard cup holders; equipped with a slide lock lid that’s leak resistant when closed, Griptec non-slip base and handle, and Lumiview lid for a clear view into the cup Daily durability: The ideal water bottle for daily use; Insulated tumbler with handle and straw delivers day-to-day convenience; Made with high-quality 18/8 stainless steel construction for everyday durability and reliability Easy care and cleaning: The lid and straw are ultra clear, reusable and easy to clean, plus this Thermos water bottle is top-rack dishwasher safe for added convenience Protect what you love: With 120 years of heritage, Thermos Brand food and beverage containers keep things fresh, sealed and protected; Trusted since 1904 because our products help make everyday life a little better, every time