1. **Choose between 6L, 8L, 10L, or 12L to serve hot drinks to multiple guests simultaneously, minimizing the need for constant refills. Ideal for coffee, tea, water, milk, soup, hot chocolate, and more. This tumbler effectively maintains your drinks at the desired temperature for hours.** 2. **INNOVATIVE SEALING PORTABILITY:** Featuring a twistlock and temperatureseal function, this tumbler ensures safe handling without the risk of burns while delivering exceptional heat retention. The userfriendly faucet design, paired with a reinforced carrying handle, guarantees stability and balance during transport. 3. **QUALITY MATERIAL CONSTRUCTION:** Crafted from foodgrade stainless steel, both the outer shell and inner tank are durable and safe for use. With doublelayer insulation, this tumbler keeps beverages hot for 10–12 hours, making it for both home and commercial settings. 4. **CONVENIENT CLEANING AND REFILLING:** The widemouth opening allows for effortless filling and cleaning. After each use, a quick wipe with a sponge ensures hassle maintenance.