Stays cold: THERMOS vacuum insulation technology keeps drinks cold for up to 24 hours; No matter what unexpected adventures you encounter, at least one thing can stay just the way you like it; Not for hot liquids Convenient Sipping: Cold Tumbler with straw keeps beverages cold for 24 hours, plus a non-slip soft touch base for added protection Daily durability: Perfect insulated water bottle for daily use; Made with high-quality 18/8 stainless steel construction to handle drops, dings and provide everyday durability and reliability; Comes in a variety of colors Easy care and cleaning: This insulated water bottle has a wide mouth opening for easy cleaning, includes a reusable stainless steel straw and is dishwasher safe, though washing by hand is recommended 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