Thermos vacuum insulation technology for maximum temperature retention, keeping drinks hot for 7 hours and cold for 18 hours. Features a durable stainless steel interior and exterior. The King Flask double wall tumbler is designed for on-the-go lifestyles, keeping drinks hot for 18 hours and cold for 24 hours. It also includes a convenient handle. The insulated stainless steel serving cup and cool-to-the-touch exterior with no condensation make it ideal for travel. The spill-proof DrinkLock lid guarantees mess-free journeys. Made with high-quality stainless steel for lasting durability and backed by a 5-year guarantee. Perfect for commuters, travelers, and tea lovers, it keeps coffee hot, water cold, and has a built-in tea hook for brewing on the go. The iconic Stainless King range blends sleek, industrial styling with advanced insulation technology. Reusable and built to last, this travel mug helps reduce disposable cup waste, making it an eco-friendly choice.