The Tumbler by Cool Bottles ™ is your ideal stainless steel tumbler to keep your drinks hot or cold. Cool Bottles ™ makes a difference and is the perfect solution to hydrate you. Its double vacuum wall allows your drinks to stay cold for 10 hours or hot for up to 6 hours, being a thermal glass with a lot of roll. With Cool Bottles ™ in your hands, you won't feel the condensation or the temperature. Neither cold nor hot. Plus, it's super healthy as it's made from high-quality 18/8 stainless steel and completely free of Bisphenol A (BPA). - Polished finish - 18/8 food grade stainless steel - Leak proof lid with drinking opening and special hole for straws - Keeps your drinks cold for 10 hours or hot for up to 6 hours - Completely free of BPA, phthalates and toxins - Suitable for acidic and carbonated drinks - Does not retain or emit any taste or smell - Free of condensation. It won't sweat on your hands! - Allows you to pass airport security controls - Wide mouth ideal for adding ice and easy cleaning - Hand wash recommended - Brand: Cool Bottles'> Cool Bottles